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Finding the Fourth Proportional to 14,654.77, 21,990.03 and 9,726.73

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Solution

The fourth proportional to 14,654.77, 21,990.03 and 9,726.73 is: 14,595.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.77 : 21,990.03 = 9,726.73 : x
  2. Step 2: Convert to fraction form
    14,654.77/21,990.03 = 9,726.73/x
  3. Step 3: Cross multiply
    14,654.77x = 21,990.03 × 9,726.73
  4. Step 4: Simplify right side
    14,654.77x = 213,891,084.50
  5. Step 5: Solve for x
    x = 213,891,084.50/14,654.77
  6. Step 6: Final answer
    x = 14,595.32

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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.