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Finding the Fourth Proportional to 2,701.65, 4,052.48 and 753.60

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Solution

The fourth proportional to 2,701.65, 4,052.48 and 753.60 is: 1,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.65 : 4,052.48 = 753.60 : x
  2. Step 2: Convert to fraction form
    2,701.65/4,052.48 = 753.60/x
  3. Step 3: Cross multiply
    2,701.65x = 4,052.48 × 753.60
  4. Step 4: Simplify right side
    2,701.65x = 3,053,948.93
  5. Step 5: Solve for x
    x = 3,053,948.93/2,701.65
  6. Step 6: Final answer
    x = 1,130.40

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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.