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Finding the Fourth Proportional to 2,586.65, 3,569.60 and 1,524.21

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Solution

The fourth proportional to 2,586.65, 3,569.60 and 1,524.21 is: 2,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.65 : 3,569.60 = 1,524.21 : x
  2. Step 2: Convert to fraction form
    2,586.65/3,569.60 = 1,524.21/x
  3. Step 3: Cross multiply
    2,586.65x = 3,569.60 × 1,524.21
  4. Step 4: Simplify right side
    2,586.65x = 5,440,823.83
  5. Step 5: Solve for x
    x = 5,440,823.83/2,586.65
  6. Step 6: Final answer
    x = 2,103.42

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1.5x scale

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.