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Finding the Fourth Proportional to 44,872.48, 67,229.70 and 39,985.60

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Solution

The fourth proportional to 44,872.48, 67,229.70 and 39,985.60 is: 59,907.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,872.48 : 67,229.70 = 39,985.60 : x
  2. Step 2: Convert to fraction form
    44,872.48/67,229.70 = 39,985.60/x
  3. Step 3: Cross multiply
    44,872.48x = 67,229.70 × 39,985.60
  4. Step 4: Simplify right side
    44,872.48x = 2,688,219,892.32
  5. Step 5: Solve for x
    x = 2,688,219,892.32/44,872.48
  6. Step 6: Final answer
    x = 59,907.99

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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.