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Finding the Fourth Proportional to 70,254.69, 96,952.92 and 38,425.65

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Solution

The fourth proportional to 70,254.69, 96,952.92 and 38,425.65 is: 53,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,254.69 : 96,952.92 = 38,425.65 : x
  2. Step 2: Convert to fraction form
    70,254.69/96,952.92 = 38,425.65/x
  3. Step 3: Cross multiply
    70,254.69x = 96,952.92 × 38,425.65
  4. Step 4: Simplify right side
    70,254.69x = 3,725,478,970.40
  5. Step 5: Solve for x
    x = 3,725,478,970.40/70,254.69
  6. Step 6: Final answer
    x = 53,028.19

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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.