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Finding the Fourth Proportional to 71,630.79, 107,492.82 and 27,257.93

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Solution

The fourth proportional to 71,630.79, 107,492.82 and 27,257.93 is: 40,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,630.79 : 107,492.82 = 27,257.93 : x
  2. Step 2: Convert to fraction form
    71,630.79/107,492.82 = 27,257.93/x
  3. Step 3: Cross multiply
    71,630.79x = 107,492.82 × 27,257.93
  4. Step 4: Simplify right side
    71,630.79x = 2,930,031,225.60
  5. Step 5: Solve for x
    x = 2,930,031,225.60/71,630.79
  6. Step 6: Final answer
    x = 40,904.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.