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Finding the Fourth Proportional to 55,950.76, 77,213.49 and 34,432.50

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Solution

The fourth proportional to 55,950.76, 77,213.49 and 34,432.50 is: 47,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,950.76 : 77,213.49 = 34,432.50 : x
  2. Step 2: Convert to fraction form
    55,950.76/77,213.49 = 34,432.50/x
  3. Step 3: Cross multiply
    55,950.76x = 77,213.49 × 34,432.50
  4. Step 4: Simplify right side
    55,950.76x = 2,658,653,654.85
  5. Step 5: Solve for x
    x = 2,658,653,654.85/55,950.76
  6. Step 6: Final answer
    x = 47,517.74

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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.