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Finding the Fourth Proportional to 1,752.60, 2,624.10 and 1,368.60

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Solution

The fourth proportional to 1,752.60, 2,624.10 and 1,368.60 is: 2,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.60 : 2,624.10 = 1,368.60 : x
  2. Step 2: Convert to fraction form
    1,752.60/2,624.10 = 1,368.60/x
  3. Step 3: Cross multiply
    1,752.60x = 2,624.10 × 1,368.60
  4. Step 4: Simplify right side
    1,752.60x = 3,591,343.26
  5. Step 5: Solve for x
    x = 3,591,343.26/1,752.60
  6. Step 6: Final answer
    x = 2,049.15

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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.