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Finding the Fourth Proportional to 65,414.86, 90,248.88 and 37,104.14

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Solution

The fourth proportional to 65,414.86, 90,248.88 and 37,104.14 is: 51,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,414.86 : 90,248.88 = 37,104.14 : x
  2. Step 2: Convert to fraction form
    65,414.86/90,248.88 = 37,104.14/x
  3. Step 3: Cross multiply
    65,414.86x = 90,248.88 × 37,104.14
  4. Step 4: Simplify right side
    65,414.86x = 3,348,607,396.75
  5. Step 5: Solve for x
    x = 3,348,607,396.75/65,414.86
  6. Step 6: Final answer
    x = 51,190.32

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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.