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Finding the Fourth Proportional to 1,712.42, 2,569.04 and 1,010.21

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Solution

The fourth proportional to 1,712.42, 2,569.04 and 1,010.21 is: 1,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.42 : 2,569.04 = 1,010.21 : x
  2. Step 2: Convert to fraction form
    1,712.42/2,569.04 = 1,010.21/x
  3. Step 3: Cross multiply
    1,712.42x = 2,569.04 × 1,010.21
  4. Step 4: Simplify right side
    1,712.42x = 2,595,269.90
  5. Step 5: Solve for x
    x = 2,595,269.90/1,712.42
  6. Step 6: Final answer
    x = 1,515.56

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1.5x scale

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.