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Finding the Fourth Proportional to 8,595.10, 12,892.65 and 2,355.13

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Solution

The fourth proportional to 8,595.10, 12,892.65 and 2,355.13 is: 3,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.10 : 12,892.65 = 2,355.13 : x
  2. Step 2: Convert to fraction form
    8,595.10/12,892.65 = 2,355.13/x
  3. Step 3: Cross multiply
    8,595.10x = 12,892.65 × 2,355.13
  4. Step 4: Simplify right side
    8,595.10x = 30,363,866.79
  5. Step 5: Solve for x
    x = 30,363,866.79/8,595.10
  6. Step 6: Final answer
    x = 3,532.70

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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.