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Finding the Fourth Proportional to 45,139.68, 67,573.44 and 24,300

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Solution

The fourth proportional to 45,139.68, 67,573.44 and 24,300 is: 36,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139.68 : 67,573.44 = 24,300 : x
  2. Step 2: Convert to fraction form
    45,139.68/67,573.44 = 24,300/x
  3. Step 3: Cross multiply
    45,139.68x = 67,573.44 × 24,300
  4. Step 4: Simplify right side
    45,139.68x = 1,642,034,592
  5. Step 5: Solve for x
    x = 1,642,034,592/45,139.68
  6. Step 6: Final answer
    x = 36,376.74

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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.