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Finding the Fourth Proportional to 48,312.69, 72,492.24 and 24,939.15

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Solution

The fourth proportional to 48,312.69, 72,492.24 and 24,939.15 is: 37,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,312.69 : 72,492.24 = 24,939.15 : x
  2. Step 2: Convert to fraction form
    48,312.69/72,492.24 = 24,939.15/x
  3. Step 3: Cross multiply
    48,312.69x = 72,492.24 × 24,939.15
  4. Step 4: Simplify right side
    48,312.69x = 1,807,894,847.20
  5. Step 5: Solve for x
    x = 1,807,894,847.20/48,312.69
  6. Step 6: Final answer
    x = 37,420.70

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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.