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Finding the Fourth Proportional to 70,425.48, 97,187.93 and 38,593.70

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Solution

The fourth proportional to 70,425.48, 97,187.93 and 38,593.70 is: 53,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,425.48 : 97,187.93 = 38,593.70 : x
  2. Step 2: Convert to fraction form
    70,425.48/97,187.93 = 38,593.70/x
  3. Step 3: Cross multiply
    70,425.48x = 97,187.93 × 38,593.70
  4. Step 4: Simplify right side
    70,425.48x = 3,750,841,135.13
  5. Step 5: Solve for x
    x = 3,750,841,135.13/70,425.48
  6. Step 6: Final answer
    x = 53,259.72

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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.