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Finding the Fourth Proportional to 61,612.74, 85,023.51 and 34,754.25

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Solution

The fourth proportional to 61,612.74, 85,023.51 and 34,754.25 is: 47,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,612.74 : 85,023.51 = 34,754.25 : x
  2. Step 2: Convert to fraction form
    61,612.74/85,023.51 = 34,754.25/x
  3. Step 3: Cross multiply
    61,612.74x = 85,023.51 × 34,754.25
  4. Step 4: Simplify right side
    61,612.74x = 2,954,928,322.42
  5. Step 5: Solve for x
    x = 2,954,928,322.42/61,612.74
  6. Step 6: Final answer
    x = 47,959.70

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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.