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Finding the Fourth Proportional to 19,497.84, 29,246.76 and 7,019.52

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Solution

The fourth proportional to 19,497.84, 29,246.76 and 7,019.52 is: 10,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,497.84 : 29,246.76 = 7,019.52 : x
  2. Step 2: Convert to fraction form
    19,497.84/29,246.76 = 7,019.52/x
  3. Step 3: Cross multiply
    19,497.84x = 29,246.76 × 7,019.52
  4. Step 4: Simplify right side
    19,497.84x = 205,298,216.76
  5. Step 5: Solve for x
    x = 205,298,216.76/19,497.84
  6. Step 6: Final answer
    x = 10,529.28

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.