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Finding the Fourth Proportional to 61,915.86, 85,442.24 and 35,060.92

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Solution

The fourth proportional to 61,915.86, 85,442.24 and 35,060.92 is: 48,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,915.86 : 85,442.24 = 35,060.92 : x
  2. Step 2: Convert to fraction form
    61,915.86/85,442.24 = 35,060.92/x
  3. Step 3: Cross multiply
    61,915.86x = 85,442.24 × 35,060.92
  4. Step 4: Simplify right side
    61,915.86x = 2,995,683,541.26
  5. Step 5: Solve for x
    x = 2,995,683,541.26/61,915.86
  6. Step 6: Final answer
    x = 48,383.14

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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.