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Finding the Fourth Proportional to 5,010.86, 7,520.85 and 2,547.32

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Solution

The fourth proportional to 5,010.86, 7,520.85 and 2,547.32 is: 3,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.86 : 7,520.85 = 2,547.32 : x
  2. Step 2: Convert to fraction form
    5,010.86/7,520.85 = 2,547.32/x
  3. Step 3: Cross multiply
    5,010.86x = 7,520.85 × 2,547.32
  4. Step 4: Simplify right side
    5,010.86x = 19,157,974.02
  5. Step 5: Solve for x
    x = 19,157,974.02/5,010.86
  6. Step 6: Final answer
    x = 3,823.29

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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.