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Finding the Fourth Proportional to 8,598.87, 12,897.99 and 5,042.97

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Solution

The fourth proportional to 8,598.87, 12,897.99 and 5,042.97 is: 7,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.87 : 12,897.99 = 5,042.97 : x
  2. Step 2: Convert to fraction form
    8,598.87/12,897.99 = 5,042.97/x
  3. Step 3: Cross multiply
    8,598.87x = 12,897.99 × 5,042.97
  4. Step 4: Simplify right side
    8,598.87x = 65,044,176.63
  5. Step 5: Solve for x
    x = 65,044,176.63/8,598.87
  6. Step 6: Final answer
    x = 7,564.27

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1.5x scale

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.