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Finding the Fourth Proportional to 61,612.76, 85,025.76 and 34,754.24

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Solution

The fourth proportional to 61,612.76, 85,025.76 and 34,754.24 is: 47,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,612.76 : 85,025.76 = 34,754.24 : x
  2. Step 2: Convert to fraction form
    61,612.76/85,025.76 = 34,754.24/x
  3. Step 3: Cross multiply
    61,612.76x = 85,025.76 × 34,754.24
  4. Step 4: Simplify right side
    61,612.76x = 2,955,005,669.22
  5. Step 5: Solve for x
    x = 2,955,005,669.22/61,612.76
  6. Step 6: Final answer
    x = 47,960.94

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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.