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Finding the Fourth Proportional to 70,111.34, 96,755.92 and 38,282.66

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Solution

The fourth proportional to 70,111.34, 96,755.92 and 38,282.66 is: 52,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,111.34 : 96,755.92 = 38,282.66 : x
  2. Step 2: Convert to fraction form
    70,111.34/96,755.92 = 38,282.66/x
  3. Step 3: Cross multiply
    70,111.34x = 96,755.92 × 38,282.66
  4. Step 4: Simplify right side
    70,111.34x = 3,704,073,988.35
  5. Step 5: Solve for x
    x = 3,704,073,988.35/70,111.34
  6. Step 6: Final answer
    x = 52,831.31

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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.