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Finding the Fourth Proportional to 70,374.95, 97,117.37 and 38,109.55

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Solution

The fourth proportional to 70,374.95, 97,117.37 and 38,109.55 is: 52,591.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,374.95 : 97,117.37 = 38,109.55 : x
  2. Step 2: Convert to fraction form
    70,374.95/97,117.37 = 38,109.55/x
  3. Step 3: Cross multiply
    70,374.95x = 97,117.37 × 38,109.55
  4. Step 4: Simplify right side
    70,374.95x = 3,701,098,834.54
  5. Step 5: Solve for x
    x = 3,701,098,834.54/70,374.95
  6. Step 6: Final answer
    x = 52,591.14

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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.