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Finding the Fourth Proportional to 70,630.89, 97,397.14 and 52,697.49

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Solution

The fourth proportional to 70,630.89, 97,397.14 and 52,697.49 is: 72,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,630.89 : 97,397.14 = 52,697.49 : x
  2. Step 2: Convert to fraction form
    70,630.89/97,397.14 = 52,697.49/x
  3. Step 3: Cross multiply
    70,630.89x = 97,397.14 × 52,697.49
  4. Step 4: Simplify right side
    70,630.89x = 5,132,584,811.18
  5. Step 5: Solve for x
    x = 5,132,584,811.18/70,630.89
  6. Step 6: Final answer
    x = 72,667.71

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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.