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Finding the Fourth Proportional to 7,605.79, 10,496.04 and 4,248.90

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Solution

The fourth proportional to 7,605.79, 10,496.04 and 4,248.90 is: 5,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.79 : 10,496.04 = 4,248.90 : x
  2. Step 2: Convert to fraction form
    7,605.79/10,496.04 = 4,248.90/x
  3. Step 3: Cross multiply
    7,605.79x = 10,496.04 × 4,248.90
  4. Step 4: Simplify right side
    7,605.79x = 44,596,571.88
  5. Step 5: Solve for x
    x = 44,596,571.88/7,605.79
  6. Step 6: Final answer
    x = 5,863.50

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.