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Finding the Fourth Proportional to 70,497.52, 97,286.64 and 38,667.04

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Solution

The fourth proportional to 70,497.52, 97,286.64 and 38,667.04 is: 53,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,497.52 : 97,286.64 = 38,667.04 : x
  2. Step 2: Convert to fraction form
    70,497.52/97,286.64 = 38,667.04/x
  3. Step 3: Cross multiply
    70,497.52x = 97,286.64 × 38,667.04
  4. Step 4: Simplify right side
    70,497.52x = 3,761,786,400.35
  5. Step 5: Solve for x
    x = 3,761,786,400.35/70,497.52
  6. Step 6: Final answer
    x = 53,360.55

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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.