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Finding the Fourth Proportional to 39,663.56, 59,500.90 and 11,585.67

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Solution

The fourth proportional to 39,663.56, 59,500.90 and 11,585.67 is: 17,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,663.56 : 59,500.90 = 11,585.67 : x
  2. Step 2: Convert to fraction form
    39,663.56/59,500.90 = 11,585.67/x
  3. Step 3: Cross multiply
    39,663.56x = 59,500.90 × 11,585.67
  4. Step 4: Simplify right side
    39,663.56x = 689,357,792.10
  5. Step 5: Solve for x
    x = 689,357,792.10/39,663.56
  6. Step 6: Final answer
    x = 17,380.13

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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.