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Finding the Fourth Proportional to 7,559.32, 11,262.32 and 7,187.56

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Solution

The fourth proportional to 7,559.32, 11,262.32 and 7,187.56 is: 10,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.32 : 11,262.32 = 7,187.56 : x
  2. Step 2: Convert to fraction form
    7,559.32/11,262.32 = 7,187.56/x
  3. Step 3: Cross multiply
    7,559.32x = 11,262.32 × 7,187.56
  4. Step 4: Simplify right side
    7,559.32x = 80,948,600.74
  5. Step 5: Solve for x
    x = 80,948,600.74/7,559.32
  6. Step 6: Final answer
    x = 10,708.45

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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.