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Finding the Fourth Proportional to 8,580.53, 12,870.95 and 2,341.19

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Solution

The fourth proportional to 8,580.53, 12,870.95 and 2,341.19 is: 3,511.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.53 : 12,870.95 = 2,341.19 : x
  2. Step 2: Convert to fraction form
    8,580.53/12,870.95 = 2,341.19/x
  3. Step 3: Cross multiply
    8,580.53x = 12,870.95 × 2,341.19
  4. Step 4: Simplify right side
    8,580.53x = 30,133,359.90
  5. Step 5: Solve for x
    x = 30,133,359.90/8,580.53
  6. Step 6: Final answer
    x = 3,511.83

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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.