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Finding the Fourth Proportional to 5,866.31, 8,797.32 and 1,705.20

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Solution

The fourth proportional to 5,866.31, 8,797.32 and 1,705.20 is: 2,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.31 : 8,797.32 = 1,705.20 : x
  2. Step 2: Convert to fraction form
    5,866.31/8,797.32 = 1,705.20/x
  3. Step 3: Cross multiply
    5,866.31x = 8,797.32 × 1,705.20
  4. Step 4: Simplify right side
    5,866.31x = 15,001,190.06
  5. Step 5: Solve for x
    x = 15,001,190.06/5,866.31
  6. Step 6: Final answer
    x = 2,557.18

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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.