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Finding the Fourth Proportional to 5,861.30, 8,802.33 and 5,619.13

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Solution

The fourth proportional to 5,861.30, 8,802.33 and 5,619.13 is: 8,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.30 : 8,802.33 = 5,619.13 : x
  2. Step 2: Convert to fraction form
    5,861.30/8,802.33 = 5,619.13/x
  3. Step 3: Cross multiply
    5,861.30x = 8,802.33 × 5,619.13
  4. Step 4: Simplify right side
    5,861.30x = 49,461,414.57
  5. Step 5: Solve for x
    x = 49,461,414.57/5,861.30
  6. Step 6: Final answer
    x = 8,438.64

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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.