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Finding the Fourth Proportional to 15,117.76, 22,678.32 and 4,024.87

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Solution

The fourth proportional to 15,117.76, 22,678.32 and 4,024.87 is: 6,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.76 : 22,678.32 = 4,024.87 : x
  2. Step 2: Convert to fraction form
    15,117.76/22,678.32 = 4,024.87/x
  3. Step 3: Cross multiply
    15,117.76x = 22,678.32 × 4,024.87
  4. Step 4: Simplify right side
    15,117.76x = 91,277,289.82
  5. Step 5: Solve for x
    x = 91,277,289.82/15,117.76
  6. Step 6: Final answer
    x = 6,037.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.