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Finding the Fourth Proportional to 14,752.48, 22,134.48 and 8,913.28

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Solution

The fourth proportional to 14,752.48, 22,134.48 and 8,913.28 is: 13,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752.48 : 22,134.48 = 8,913.28 : x
  2. Step 2: Convert to fraction form
    14,752.48/22,134.48 = 8,913.28/x
  3. Step 3: Cross multiply
    14,752.48x = 22,134.48 × 8,913.28
  4. Step 4: Simplify right side
    14,752.48x = 197,290,817.89
  5. Step 5: Solve for x
    x = 197,290,817.89/14,752.48
  6. Step 6: Final answer
    x = 13,373.40

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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.