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Finding the Fourth Proportional to 2,381.52, 3,570.48 and 1,560

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Solution

The fourth proportional to 2,381.52, 3,570.48 and 1,560 is: 2,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.52 : 3,570.48 = 1,560 : x
  2. Step 2: Convert to fraction form
    2,381.52/3,570.48 = 1,560/x
  3. Step 3: Cross multiply
    2,381.52x = 3,570.48 × 1,560
  4. Step 4: Simplify right side
    2,381.52x = 5,569,948.80
  5. Step 5: Solve for x
    x = 5,569,948.80/2,381.52
  6. Step 6: Final answer
    x = 2,338.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.