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Finding the Fourth Proportional to 47,753.55, 65,881.49 and 36,411.30

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Solution

The fourth proportional to 47,753.55, 65,881.49 and 36,411.30 is: 50,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,753.55 : 65,881.49 = 36,411.30 : x
  2. Step 2: Convert to fraction form
    47,753.55/65,881.49 = 36,411.30/x
  3. Step 3: Cross multiply
    47,753.55x = 65,881.49 × 36,411.30
  4. Step 4: Simplify right side
    47,753.55x = 2,398,830,514.78
  5. Step 5: Solve for x
    x = 2,398,830,514.78/47,753.55
  6. Step 6: Final answer
    x = 50,233.55

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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.