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Finding the Fourth Proportional to 39,429.40, 59,000.10 and 29,061.40

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Solution

The fourth proportional to 39,429.40, 59,000.10 and 29,061.40 is: 43,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,429.40 : 59,000.10 = 29,061.40 : x
  2. Step 2: Convert to fraction form
    39,429.40/59,000.10 = 29,061.40/x
  3. Step 3: Cross multiply
    39,429.40x = 59,000.10 × 29,061.40
  4. Step 4: Simplify right side
    39,429.40x = 1,714,625,506.14
  5. Step 5: Solve for x
    x = 1,714,625,506.14/39,429.40
  6. Step 6: Final answer
    x = 43,485.96

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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.