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Finding the Fourth Proportional to 28,672.40, 42,962.52 and 24,064.40

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Solution

The fourth proportional to 28,672.40, 42,962.52 and 24,064.40 is: 36,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672.40 : 42,962.52 = 24,064.40 : x
  2. Step 2: Convert to fraction form
    28,672.40/42,962.52 = 24,064.40/x
  3. Step 3: Cross multiply
    28,672.40x = 42,962.52 × 24,064.40
  4. Step 4: Simplify right side
    28,672.40x = 1,033,867,266.29
  5. Step 5: Solve for x
    x = 1,033,867,266.29/28,672.40
  6. Step 6: Final answer
    x = 36,057.93

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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.