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Finding the Fourth Proportional to 51,877.68, 71,591.49 and 29,521.68

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Solution

The fourth proportional to 51,877.68, 71,591.49 and 29,521.68 is: 40,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,877.68 : 71,591.49 = 29,521.68 : x
  2. Step 2: Convert to fraction form
    51,877.68/71,591.49 = 29,521.68/x
  3. Step 3: Cross multiply
    51,877.68x = 71,591.49 × 29,521.68
  4. Step 4: Simplify right side
    51,877.68x = 2,113,501,058.50
  5. Step 5: Solve for x
    x = 2,113,501,058.50/51,877.68
  6. Step 6: Final answer
    x = 40,740.08

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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.