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Finding the Fourth Proportional to 5,800.16, 8,700.24 and 2,720

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Solution

The fourth proportional to 5,800.16, 8,700.24 and 2,720 is: 4,080.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.16 : 8,700.24 = 2,720 : x
  2. Step 2: Convert to fraction form
    5,800.16/8,700.24 = 2,720/x
  3. Step 3: Cross multiply
    5,800.16x = 8,700.24 × 2,720
  4. Step 4: Simplify right side
    5,800.16x = 23,664,652.80
  5. Step 5: Solve for x
    x = 23,664,652.80/5,800.16
  6. Step 6: Final answer
    x = 4,080.00

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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.