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Finding the Fourth Proportional to 5,861.49, 8,787.30 and 4,008.07

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Solution

The fourth proportional to 5,861.49, 8,787.30 and 4,008.07 is: 6,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.49 : 8,787.30 = 4,008.07 : x
  2. Step 2: Convert to fraction form
    5,861.49/8,787.30 = 4,008.07/x
  3. Step 3: Cross multiply
    5,861.49x = 8,787.30 × 4,008.07
  4. Step 4: Simplify right side
    5,861.49x = 35,220,113.51
  5. Step 5: Solve for x
    x = 35,220,113.51/5,861.49
  6. Step 6: Final answer
    x = 6,008.73

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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.