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Finding the Fourth Proportional to 62,280.84, 85,959.24 and 39,008.02

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Solution

The fourth proportional to 62,280.84, 85,959.24 and 39,008.02 is: 53,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,280.84 : 85,959.24 = 39,008.02 : x
  2. Step 2: Convert to fraction form
    62,280.84/85,959.24 = 39,008.02/x
  3. Step 3: Cross multiply
    62,280.84x = 85,959.24 × 39,008.02
  4. Step 4: Simplify right side
    62,280.84x = 3,353,099,753.10
  5. Step 5: Solve for x
    x = 3,353,099,753.10/62,280.84
  6. Step 6: Final answer
    x = 53,838.38

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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.