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Finding the Fourth Proportional to 8,598.64, 12,881.48 and 5,820.52

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Solution

The fourth proportional to 8,598.64, 12,881.48 and 5,820.52 is: 8,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.64 : 12,881.48 = 5,820.52 : x
  2. Step 2: Convert to fraction form
    8,598.64/12,881.48 = 5,820.52/x
  3. Step 3: Cross multiply
    8,598.64x = 12,881.48 × 5,820.52
  4. Step 4: Simplify right side
    8,598.64x = 74,976,911.97
  5. Step 5: Solve for x
    x = 74,976,911.97/8,598.64
  6. Step 6: Final answer
    x = 8,719.62

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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.