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Finding the Fourth Proportional to 61,449.12, 84,807.54 and 34,592.76

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Solution

The fourth proportional to 61,449.12, 84,807.54 and 34,592.76 is: 47,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,449.12 : 84,807.54 = 34,592.76 : x
  2. Step 2: Convert to fraction form
    61,449.12/84,807.54 = 34,592.76/x
  3. Step 3: Cross multiply
    61,449.12x = 84,807.54 × 34,592.76
  4. Step 4: Simplify right side
    61,449.12x = 2,933,726,877.41
  5. Step 5: Solve for x
    x = 2,933,726,877.41/61,449.12
  6. Step 6: Final answer
    x = 47,742.37

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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.