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Finding the Fourth Proportional to 70,113.72, 96,756.06 and 38,282.28

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Solution

The fourth proportional to 70,113.72, 96,756.06 and 38,282.28 is: 52,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,113.72 : 96,756.06 = 38,282.28 : x
  2. Step 2: Convert to fraction form
    70,113.72/96,756.06 = 38,282.28/x
  3. Step 3: Cross multiply
    70,113.72x = 96,756.06 × 38,282.28
  4. Step 4: Simplify right side
    70,113.72x = 3,704,042,580.62
  5. Step 5: Solve for x
    x = 3,704,042,580.62/70,113.72
  6. Step 6: Final answer
    x = 52,829.07

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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.