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Finding the Fourth Proportional to 8,598.54, 12,898.19 and 2,358.40

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Solution

The fourth proportional to 8,598.54, 12,898.19 and 2,358.40 is: 3,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.54 : 12,898.19 = 2,358.40 : x
  2. Step 2: Convert to fraction form
    8,598.54/12,898.19 = 2,358.40/x
  3. Step 3: Cross multiply
    8,598.54x = 12,898.19 × 2,358.40
  4. Step 4: Simplify right side
    8,598.54x = 30,419,091.30
  5. Step 5: Solve for x
    x = 30,419,091.30/8,598.54
  6. Step 6: Final answer
    x = 3,537.70

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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.