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Finding the Fourth Proportional to 2,717.50, 3,750.15 and 1,475.50

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Solution

The fourth proportional to 2,717.50, 3,750.15 and 1,475.50 is: 2,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.50 : 3,750.15 = 1,475.50 : x
  2. Step 2: Convert to fraction form
    2,717.50/3,750.15 = 1,475.50/x
  3. Step 3: Cross multiply
    2,717.50x = 3,750.15 × 1,475.50
  4. Step 4: Simplify right side
    2,717.50x = 5,533,346.33
  5. Step 5: Solve for x
    x = 5,533,346.33/2,717.50
  6. Step 6: Final answer
    x = 2,036.19

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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.