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Finding the Fourth Proportional to 10,554.71, 15,764.65 and 9,552.52

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Solution

The fourth proportional to 10,554.71, 15,764.65 and 9,552.52 is: 14,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.71 : 15,764.65 = 9,552.52 : x
  2. Step 2: Convert to fraction form
    10,554.71/15,764.65 = 9,552.52/x
  3. Step 3: Cross multiply
    10,554.71x = 15,764.65 × 9,552.52
  4. Step 4: Simplify right side
    10,554.71x = 150,592,097.16
  5. Step 5: Solve for x
    x = 150,592,097.16/10,554.71
  6. Step 6: Final answer
    x = 14,267.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.