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Finding the Fourth Proportional to 39,523.36, 59,280.68 and 9,941.20

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Solution

The fourth proportional to 39,523.36, 59,280.68 and 9,941.20 is: 14,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,523.36 : 59,280.68 = 9,941.20 : x
  2. Step 2: Convert to fraction form
    39,523.36/59,280.68 = 9,941.20/x
  3. Step 3: Cross multiply
    39,523.36x = 59,280.68 × 9,941.20
  4. Step 4: Simplify right side
    39,523.36x = 589,320,916.75
  5. Step 5: Solve for x
    x = 589,320,916.75/39,523.36
  6. Step 6: Final answer
    x = 14,910.70

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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.