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Finding the Fourth Proportional to 66,926.70, 92,363.54 and 38,250.59

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Solution

The fourth proportional to 66,926.70, 92,363.54 and 38,250.59 is: 52,788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,926.70 : 92,363.54 = 38,250.59 : x
  2. Step 2: Convert to fraction form
    66,926.70/92,363.54 = 38,250.59/x
  3. Step 3: Cross multiply
    66,926.70x = 92,363.54 × 38,250.59
  4. Step 4: Simplify right side
    66,926.70x = 3,532,959,246.42
  5. Step 5: Solve for x
    x = 3,532,959,246.42/66,926.70
  6. Step 6: Final answer
    x = 52,788.49

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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.