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Finding the Fourth Proportional to 1,863.95, 2,572.31 and 1,024.69

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Solution

The fourth proportional to 1,863.95, 2,572.31 and 1,024.69 is: 1,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.95 : 2,572.31 = 1,024.69 : x
  2. Step 2: Convert to fraction form
    1,863.95/2,572.31 = 1,024.69/x
  3. Step 3: Cross multiply
    1,863.95x = 2,572.31 × 1,024.69
  4. Step 4: Simplify right side
    1,863.95x = 2,635,810.27
  5. Step 5: Solve for x
    x = 2,635,810.27/1,863.95
  6. Step 6: Final answer
    x = 1,414.10

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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.