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Finding the Fourth Proportional to 9,152.78, 13,719.64 and 4,466.39

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Solution

The fourth proportional to 9,152.78, 13,719.64 and 4,466.39 is: 6,694.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.78 : 13,719.64 = 4,466.39 : x
  2. Step 2: Convert to fraction form
    9,152.78/13,719.64 = 4,466.39/x
  3. Step 3: Cross multiply
    9,152.78x = 13,719.64 × 4,466.39
  4. Step 4: Simplify right side
    9,152.78x = 61,277,262.90
  5. Step 5: Solve for x
    x = 61,277,262.90/9,152.78
  6. Step 6: Final answer
    x = 6,694.93

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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.