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Finding the Fourth Proportional to 5,817.60, 8,687.00 and 4,571.01

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Solution

The fourth proportional to 5,817.60, 8,687.00 and 4,571.01 is: 6,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.60 : 8,687.00 = 4,571.01 : x
  2. Step 2: Convert to fraction form
    5,817.60/8,687.00 = 4,571.01/x
  3. Step 3: Cross multiply
    5,817.60x = 8,687.00 × 4,571.01
  4. Step 4: Simplify right side
    5,817.60x = 39,708,341.01
  5. Step 5: Solve for x
    x = 39,708,341.01/5,817.60
  6. Step 6: Final answer
    x = 6,825.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.