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Finding the Fourth Proportional to 42,352.60, 63,601.80 and 29,959.60

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Solution

The fourth proportional to 42,352.60, 63,601.80 and 29,959.60 is: 44,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,352.60 : 63,601.80 = 29,959.60 : x
  2. Step 2: Convert to fraction form
    42,352.60/63,601.80 = 29,959.60/x
  3. Step 3: Cross multiply
    42,352.60x = 63,601.80 × 29,959.60
  4. Step 4: Simplify right side
    42,352.60x = 1,905,484,487.28
  5. Step 5: Solve for x
    x = 1,905,484,487.28/42,352.60
  6. Step 6: Final answer
    x = 44,990.97

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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.