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Finding the Fourth Proportional to 15,808.80, 23,713.02 and 9,141.06

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Solution

The fourth proportional to 15,808.80, 23,713.02 and 9,141.06 is: 13,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808.80 : 23,713.02 = 9,141.06 : x
  2. Step 2: Convert to fraction form
    15,808.80/23,713.02 = 9,141.06/x
  3. Step 3: Cross multiply
    15,808.80x = 23,713.02 × 9,141.06
  4. Step 4: Simplify right side
    15,808.80x = 216,762,138.60
  5. Step 5: Solve for x
    x = 216,762,138.60/15,808.80
  6. Step 6: Final answer
    x = 13,711.49

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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.