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Finding the Fourth Proportional to 14,659, 21,908.02 and 10,718.55

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Solution

The fourth proportional to 14,659, 21,908.02 and 10,718.55 is: 16,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659 : 21,908.02 = 10,718.55 : x
  2. Step 2: Convert to fraction form
    14,659/21,908.02 = 10,718.55/x
  3. Step 3: Cross multiply
    14,659x = 21,908.02 × 10,718.55
  4. Step 4: Simplify right side
    14,659x = 234,822,207.77
  5. Step 5: Solve for x
    x = 234,822,207.77/14,659
  6. Step 6: Final answer
    x = 16,018.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.