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Finding the Fourth Proportional to 2,395.60, 3,592.12 and 751.72

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Solution

The fourth proportional to 2,395.60, 3,592.12 and 751.72 is: 1,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.60 : 3,592.12 = 751.72 : x
  2. Step 2: Convert to fraction form
    2,395.60/3,592.12 = 751.72/x
  3. Step 3: Cross multiply
    2,395.60x = 3,592.12 × 751.72
  4. Step 4: Simplify right side
    2,395.60x = 2,700,268.45
  5. Step 5: Solve for x
    x = 2,700,268.45/2,395.60
  6. Step 6: Final answer
    x = 1,127.18

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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.