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Finding the Fourth Proportional to 63,125.79, 87,113.53 and 34,831.48

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Solution

The fourth proportional to 63,125.79, 87,113.53 and 34,831.48 is: 48,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,125.79 : 87,113.53 = 34,831.48 : x
  2. Step 2: Convert to fraction form
    63,125.79/87,113.53 = 34,831.48/x
  3. Step 3: Cross multiply
    63,125.79x = 87,113.53 × 34,831.48
  4. Step 4: Simplify right side
    63,125.79x = 3,034,293,177.92
  5. Step 5: Solve for x
    x = 3,034,293,177.92/63,125.79
  6. Step 6: Final answer
    x = 48,067.41

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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.