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Finding the Fourth Proportional to 14,601.10, 21,901.44 and 9,909.46

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Solution

The fourth proportional to 14,601.10, 21,901.44 and 9,909.46 is: 14,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601.10 : 21,901.44 = 9,909.46 : x
  2. Step 2: Convert to fraction form
    14,601.10/21,901.44 = 9,909.46/x
  3. Step 3: Cross multiply
    14,601.10x = 21,901.44 × 9,909.46
  4. Step 4: Simplify right side
    14,601.10x = 217,031,443.62
  5. Step 5: Solve for x
    x = 217,031,443.62/14,601.10
  6. Step 6: Final answer
    x = 14,864.05

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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.