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Finding the Fourth Proportional to 60,915.77, 84,064.28 and 33,691.40

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Solution

The fourth proportional to 60,915.77, 84,064.28 and 33,691.40 is: 46,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,915.77 : 84,064.28 = 33,691.40 : x
  2. Step 2: Convert to fraction form
    60,915.77/84,064.28 = 33,691.40/x
  3. Step 3: Cross multiply
    60,915.77x = 84,064.28 × 33,691.40
  4. Step 4: Simplify right side
    60,915.77x = 2,832,243,114.74
  5. Step 5: Solve for x
    x = 2,832,243,114.74/60,915.77
  6. Step 6: Final answer
    x = 46,494.42

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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.