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Finding the Fourth Proportional to 5,572.04, 7,687.86 and 4,389.44

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Solution

The fourth proportional to 5,572.04, 7,687.86 and 4,389.44 is: 6,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.04 : 7,687.86 = 4,389.44 : x
  2. Step 2: Convert to fraction form
    5,572.04/7,687.86 = 4,389.44/x
  3. Step 3: Cross multiply
    5,572.04x = 7,687.86 × 4,389.44
  4. Step 4: Simplify right side
    5,572.04x = 33,745,400.20
  5. Step 5: Solve for x
    x = 33,745,400.20/5,572.04
  6. Step 6: Final answer
    x = 6,056.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.