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Finding the Fourth Proportional to 10,888.42, 15,034.52 and 8,366.53

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Solution

The fourth proportional to 10,888.42, 15,034.52 and 8,366.53 is: 11,552.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.42 : 15,034.52 = 8,366.53 : x
  2. Step 2: Convert to fraction form
    10,888.42/15,034.52 = 8,366.53/x
  3. Step 3: Cross multiply
    10,888.42x = 15,034.52 × 8,366.53
  4. Step 4: Simplify right side
    10,888.42x = 125,786,762.62
  5. Step 5: Solve for x
    x = 125,786,762.62/10,888.42
  6. Step 6: Final answer
    x = 11,552.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.