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Finding the Fourth Proportional to 4,888.18, 7,332.09 and 1,425.34

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Solution

The fourth proportional to 4,888.18, 7,332.09 and 1,425.34 is: 2,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.18 : 7,332.09 = 1,425.34 : x
  2. Step 2: Convert to fraction form
    4,888.18/7,332.09 = 1,425.34/x
  3. Step 3: Cross multiply
    4,888.18x = 7,332.09 × 1,425.34
  4. Step 4: Simplify right side
    4,888.18x = 10,450,721.16
  5. Step 5: Solve for x
    x = 10,450,721.16/4,888.18
  6. Step 6: Final answer
    x = 2,137.96

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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.