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Finding the Fourth Proportional to 61,807.26, 85,273.92 and 34,947.12

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Solution

The fourth proportional to 61,807.26, 85,273.92 and 34,947.12 is: 48,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,807.26 : 85,273.92 = 34,947.12 : x
  2. Step 2: Convert to fraction form
    61,807.26/85,273.92 = 34,947.12/x
  3. Step 3: Cross multiply
    61,807.26x = 85,273.92 × 34,947.12
  4. Step 4: Simplify right side
    61,807.26x = 2,980,077,915.11
  5. Step 5: Solve for x
    x = 2,980,077,915.11/61,807.26
  6. Step 6: Final answer
    x = 48,215.66

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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.