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Finding the Fourth Proportional to 70,498.66, 97,294.26 and 38,673.76

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Solution

The fourth proportional to 70,498.66, 97,294.26 and 38,673.76 is: 53,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,498.66 : 97,294.26 = 38,673.76 : x
  2. Step 2: Convert to fraction form
    70,498.66/97,294.26 = 38,673.76/x
  3. Step 3: Cross multiply
    70,498.66x = 97,294.26 × 38,673.76
  4. Step 4: Simplify right side
    70,498.66x = 3,762,734,860.62
  5. Step 5: Solve for x
    x = 3,762,734,860.62/70,498.66
  6. Step 6: Final answer
    x = 53,373.14

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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.