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Finding the Fourth Proportional to 14,909.18, 22,363.86 and 5,048.51

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Solution

The fourth proportional to 14,909.18, 22,363.86 and 5,048.51 is: 7,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.18 : 22,363.86 = 5,048.51 : x
  2. Step 2: Convert to fraction form
    14,909.18/22,363.86 = 5,048.51/x
  3. Step 3: Cross multiply
    14,909.18x = 22,363.86 × 5,048.51
  4. Step 4: Simplify right side
    14,909.18x = 112,904,170.85
  5. Step 5: Solve for x
    x = 112,904,170.85/14,909.18
  6. Step 6: Final answer
    x = 7,572.80

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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.