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Finding the Fourth Proportional to 66,829.34, 92,227.53 and 38,156.76

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Solution

The fourth proportional to 66,829.34, 92,227.53 and 38,156.76 is: 52,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,829.34 : 92,227.53 = 38,156.76 : x
  2. Step 2: Convert to fraction form
    66,829.34/92,227.53 = 38,156.76/x
  3. Step 3: Cross multiply
    66,829.34x = 92,227.53 × 38,156.76
  4. Step 4: Simplify right side
    66,829.34x = 3,519,103,870.69
  5. Step 5: Solve for x
    x = 3,519,103,870.69/66,829.34
  6. Step 6: Final answer
    x = 52,658.07

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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.