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Finding the Fourth Proportional to 5,472.37, 7,547.20 and 4,625.72

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Solution

The fourth proportional to 5,472.37, 7,547.20 and 4,625.72 is: 6,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.37 : 7,547.20 = 4,625.72 : x
  2. Step 2: Convert to fraction form
    5,472.37/7,547.20 = 4,625.72/x
  3. Step 3: Cross multiply
    5,472.37x = 7,547.20 × 4,625.72
  4. Step 4: Simplify right side
    5,472.37x = 34,911,233.98
  5. Step 5: Solve for x
    x = 34,911,233.98/5,472.37
  6. Step 6: Final answer
    x = 6,379.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.