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Finding the Fourth Proportional to 70,059.60, 96,682.07 and 38,228.49

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Solution

The fourth proportional to 70,059.60, 96,682.07 and 38,228.49 is: 52,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,059.60 : 96,682.07 = 38,228.49 : x
  2. Step 2: Convert to fraction form
    70,059.60/96,682.07 = 38,228.49/x
  3. Step 3: Cross multiply
    70,059.60x = 96,682.07 × 38,228.49
  4. Step 4: Simplify right side
    70,059.60x = 3,696,009,641.75
  5. Step 5: Solve for x
    x = 3,696,009,641.75/70,059.60
  6. Step 6: Final answer
    x = 52,755.22

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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.