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Finding the Fourth Proportional to 61,774.92, 85,246.08 and 34,915.83

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Solution

The fourth proportional to 61,774.92, 85,246.08 and 34,915.83 is: 48,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,774.92 : 85,246.08 = 34,915.83 : x
  2. Step 2: Convert to fraction form
    61,774.92/85,246.08 = 34,915.83/x
  3. Step 3: Cross multiply
    61,774.92x = 85,246.08 × 34,915.83
  4. Step 4: Simplify right side
    61,774.92x = 2,976,437,637.45
  5. Step 5: Solve for x
    x = 2,976,437,637.45/61,774.92
  6. Step 6: Final answer
    x = 48,181.97

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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.