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Finding the Fourth Proportional to 18,011.52, 24,864 and 10,560

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Solution

The fourth proportional to 18,011.52, 24,864 and 10,560 is: 14,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.52 : 24,864 = 10,560 : x
  2. Step 2: Convert to fraction form
    18,011.52/24,864 = 10,560/x
  3. Step 3: Cross multiply
    18,011.52x = 24,864 × 10,560
  4. Step 4: Simplify right side
    18,011.52x = 262,563,840
  5. Step 5: Solve for x
    x = 262,563,840/18,011.52
  6. Step 6: Final answer
    x = 14,577.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.