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Finding the Fourth Proportional to 70,212.26, 96,894.42 and 38,384.12

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Solution

The fourth proportional to 70,212.26, 96,894.42 and 38,384.12 is: 52,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,212.26 : 96,894.42 = 38,384.12 : x
  2. Step 2: Convert to fraction form
    70,212.26/96,894.42 = 38,384.12/x
  3. Step 3: Cross multiply
    70,212.26x = 96,894.42 × 38,384.12
  4. Step 4: Simplify right side
    70,212.26x = 3,719,207,044.61
  5. Step 5: Solve for x
    x = 3,719,207,044.61/70,212.26
  6. Step 6: Final answer
    x = 52,970.91

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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.