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Finding the Fourth Proportional to 14,710.61, 20,301.04 and 7,996.69

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Solution

The fourth proportional to 14,710.61, 20,301.04 and 7,996.69 is: 11,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.61 : 20,301.04 = 7,996.69 : x
  2. Step 2: Convert to fraction form
    14,710.61/20,301.04 = 7,996.69/x
  3. Step 3: Cross multiply
    14,710.61x = 20,301.04 × 7,996.69
  4. Step 4: Simplify right side
    14,710.61x = 162,341,123.56
  5. Step 5: Solve for x
    x = 162,341,123.56/14,710.61
  6. Step 6: Final answer
    x = 11,035.65

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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.