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Finding the Fourth Proportional to 11,301.70, 16,952.55 and 9,631.30

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Solution

The fourth proportional to 11,301.70, 16,952.55 and 9,631.30 is: 14,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.70 : 16,952.55 = 9,631.30 : x
  2. Step 2: Convert to fraction form
    11,301.70/16,952.55 = 9,631.30/x
  3. Step 3: Cross multiply
    11,301.70x = 16,952.55 × 9,631.30
  4. Step 4: Simplify right side
    11,301.70x = 163,275,094.82
  5. Step 5: Solve for x
    x = 163,275,094.82/11,301.70
  6. Step 6: Final answer
    x = 14,446.95

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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.