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Finding the Fourth Proportional to 63,124.62, 87,112.44 and 34,831.32

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Solution

The fourth proportional to 63,124.62, 87,112.44 and 34,831.32 is: 48,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,124.62 : 87,112.44 = 34,831.32 : x
  2. Step 2: Convert to fraction form
    63,124.62/87,112.44 = 34,831.32/x
  3. Step 3: Cross multiply
    63,124.62x = 87,112.44 × 34,831.32
  4. Step 4: Simplify right side
    63,124.62x = 3,034,241,273.62
  5. Step 5: Solve for x
    x = 3,034,241,273.62/63,124.62
  6. Step 6: Final answer
    x = 48,067.48

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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.