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Finding the Fourth Proportional to 70,571.69, 97,388.52 and 38,306.93

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Solution

The fourth proportional to 70,571.69, 97,388.52 and 38,306.93 is: 52,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,571.69 : 97,388.52 = 38,306.93 : x
  2. Step 2: Convert to fraction form
    70,571.69/97,388.52 = 38,306.93/x
  3. Step 3: Cross multiply
    70,571.69x = 97,388.52 × 38,306.93
  4. Step 4: Simplify right side
    70,571.69x = 3,730,654,731.50
  5. Step 5: Solve for x
    x = 3,730,654,731.50/70,571.69
  6. Step 6: Final answer
    x = 52,863.34

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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.