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Finding the Fourth Proportional to 14,165.98, 21,248.94 and 6,747.94

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Solution

The fourth proportional to 14,165.98, 21,248.94 and 6,747.94 is: 10,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.98 : 21,248.94 = 6,747.94 : x
  2. Step 2: Convert to fraction form
    14,165.98/21,248.94 = 6,747.94/x
  3. Step 3: Cross multiply
    14,165.98x = 21,248.94 × 6,747.94
  4. Step 4: Simplify right side
    14,165.98x = 143,386,572.18
  5. Step 5: Solve for x
    x = 143,386,572.18/14,165.98
  6. Step 6: Final answer
    x = 10,121.90

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1.5x scale

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.