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Finding the Fourth Proportional to 15,356.76, 23,034.18 and 7,558.68

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Solution

The fourth proportional to 15,356.76, 23,034.18 and 7,558.68 is: 11,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,356.76 : 23,034.18 = 7,558.68 : x
  2. Step 2: Convert to fraction form
    15,356.76/23,034.18 = 7,558.68/x
  3. Step 3: Cross multiply
    15,356.76x = 23,034.18 × 7,558.68
  4. Step 4: Simplify right side
    15,356.76x = 174,107,995.68
  5. Step 5: Solve for x
    x = 174,107,995.68/15,356.76
  6. Step 6: Final answer
    x = 11,337.55

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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.