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Finding the Fourth Proportional to 63,125.44, 87,112.92 and 34,831.15

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Solution

The fourth proportional to 63,125.44, 87,112.92 and 34,831.15 is: 48,066.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,125.44 : 87,112.92 = 34,831.15 : x
  2. Step 2: Convert to fraction form
    63,125.44/87,112.92 = 34,831.15/x
  3. Step 3: Cross multiply
    63,125.44x = 87,112.92 × 34,831.15
  4. Step 4: Simplify right side
    63,125.44x = 3,034,243,183.46
  5. Step 5: Solve for x
    x = 3,034,243,183.46/63,125.44
  6. Step 6: Final answer
    x = 48,066.88

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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.