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Finding the Fourth Proportional to 39,355.80, 59,033.70 and 9,773.40

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Solution

The fourth proportional to 39,355.80, 59,033.70 and 9,773.40 is: 14,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,355.80 : 59,033.70 = 9,773.40 : x
  2. Step 2: Convert to fraction form
    39,355.80/59,033.70 = 9,773.40/x
  3. Step 3: Cross multiply
    39,355.80x = 59,033.70 × 9,773.40
  4. Step 4: Simplify right side
    39,355.80x = 576,959,963.58
  5. Step 5: Solve for x
    x = 576,959,963.58/39,355.80
  6. Step 6: Final answer
    x = 14,660.10

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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.