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Finding the Fourth Proportional to 2,693.52, 4,036.50 and 1,870.56

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Solution

The fourth proportional to 2,693.52, 4,036.50 and 1,870.56 is: 2,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.52 : 4,036.50 = 1,870.56 : x
  2. Step 2: Convert to fraction form
    2,693.52/4,036.50 = 1,870.56/x
  3. Step 3: Cross multiply
    2,693.52x = 4,036.50 × 1,870.56
  4. Step 4: Simplify right side
    2,693.52x = 7,550,515.44
  5. Step 5: Solve for x
    x = 7,550,515.44/2,693.52
  6. Step 6: Final answer
    x = 2,803.21

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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.