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Finding the Fourth Proportional to 5,874.60, 8,762.60 and 5,397

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Solution

The fourth proportional to 5,874.60, 8,762.60 and 5,397 is: 8,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.60 : 8,762.60 = 5,397 : x
  2. Step 2: Convert to fraction form
    5,874.60/8,762.60 = 5,397/x
  3. Step 3: Cross multiply
    5,874.60x = 8,762.60 × 5,397
  4. Step 4: Simplify right side
    5,874.60x = 47,291,752.20
  5. Step 5: Solve for x
    x = 47,291,752.20/5,874.60
  6. Step 6: Final answer
    x = 8,050.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.