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Finding the Fourth Proportional to 65,293.38, 90,132.46 and 44,101.36

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Solution

The fourth proportional to 65,293.38, 90,132.46 and 44,101.36 is: 60,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,293.38 : 90,132.46 = 44,101.36 : x
  2. Step 2: Convert to fraction form
    65,293.38/90,132.46 = 44,101.36/x
  3. Step 3: Cross multiply
    65,293.38x = 90,132.46 × 44,101.36
  4. Step 4: Simplify right side
    65,293.38x = 3,974,964,066.15
  5. Step 5: Solve for x
    x = 3,974,964,066.15/65,293.38
  6. Step 6: Final answer
    x = 60,878.52

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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.