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Finding the Fourth Proportional to 70,113.52, 96,756.60 and 38,282.56

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Solution

The fourth proportional to 70,113.52, 96,756.60 and 38,282.56 is: 52,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,113.52 : 96,756.60 = 38,282.56 : x
  2. Step 2: Convert to fraction form
    70,113.52/96,756.60 = 38,282.56/x
  3. Step 3: Cross multiply
    70,113.52x = 96,756.60 × 38,282.56
  4. Step 4: Simplify right side
    70,113.52x = 3,704,090,344.90
  5. Step 5: Solve for x
    x = 3,704,090,344.90/70,113.52
  6. Step 6: Final answer
    x = 52,829.90

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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.