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Finding the Fourth Proportional to 10,888.44, 16,332.66 and 8,711.01

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Solution

The fourth proportional to 10,888.44, 16,332.66 and 8,711.01 is: 13,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.44 : 16,332.66 = 8,711.01 : x
  2. Step 2: Convert to fraction form
    10,888.44/16,332.66 = 8,711.01/x
  3. Step 3: Cross multiply
    10,888.44x = 16,332.66 × 8,711.01
  4. Step 4: Simplify right side
    10,888.44x = 142,273,964.59
  5. Step 5: Solve for x
    x = 142,273,964.59/10,888.44
  6. Step 6: Final answer
    x = 13,066.52

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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.