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Finding the Fourth Proportional to 14,887.68, 22,332 and 4,892.16

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Solution

The fourth proportional to 14,887.68, 22,332 and 4,892.16 is: 7,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.68 : 22,332 = 4,892.16 : x
  2. Step 2: Convert to fraction form
    14,887.68/22,332 = 4,892.16/x
  3. Step 3: Cross multiply
    14,887.68x = 22,332 × 4,892.16
  4. Step 4: Simplify right side
    14,887.68x = 109,251,717.12
  5. Step 5: Solve for x
    x = 109,251,717.12/14,887.68
  6. Step 6: Final answer
    x = 7,338.40

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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.