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Finding the Fourth Proportional to 67,609.60, 93,308.04 and 37,397.20

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Solution

The fourth proportional to 67,609.60, 93,308.04 and 37,397.20 is: 51,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,609.60 : 93,308.04 = 37,397.20 : x
  2. Step 2: Convert to fraction form
    67,609.60/93,308.04 = 37,397.20/x
  3. Step 3: Cross multiply
    67,609.60x = 93,308.04 × 37,397.20
  4. Step 4: Simplify right side
    67,609.60x = 3,489,459,433.49
  5. Step 5: Solve for x
    x = 3,489,459,433.49/67,609.60
  6. Step 6: Final answer
    x = 51,611.89

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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.