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Finding the Fourth Proportional to 61,393.95, 84,718.91 and 34,531.11

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Solution

The fourth proportional to 61,393.95, 84,718.91 and 34,531.11 is: 47,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,393.95 : 84,718.91 = 34,531.11 : x
  2. Step 2: Convert to fraction form
    61,393.95/84,718.91 = 34,531.11/x
  3. Step 3: Cross multiply
    61,393.95x = 84,718.91 × 34,531.11
  4. Step 4: Simplify right side
    61,393.95x = 2,925,438,086.62
  5. Step 5: Solve for x
    x = 2,925,438,086.62/61,393.95
  6. Step 6: Final answer
    x = 47,650.27

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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.