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Finding the Fourth Proportional to 8,598.57, 12,897.85 and 5,676.19

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Solution

The fourth proportional to 8,598.57, 12,897.85 and 5,676.19 is: 8,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.57 : 12,897.85 = 5,676.19 : x
  2. Step 2: Convert to fraction form
    8,598.57/12,897.85 = 5,676.19/x
  3. Step 3: Cross multiply
    8,598.57x = 12,897.85 × 5,676.19
  4. Step 4: Simplify right side
    8,598.57x = 73,210,647.19
  5. Step 5: Solve for x
    x = 73,210,647.19/8,598.57
  6. Step 6: Final answer
    x = 8,514.28

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Double scale
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Similar ratio
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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.