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Finding the Fourth Proportional to 1,472.55, 2,032.02 and 843.08

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Solution

The fourth proportional to 1,472.55, 2,032.02 and 843.08 is: 1,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.55 : 2,032.02 = 843.08 : x
  2. Step 2: Convert to fraction form
    1,472.55/2,032.02 = 843.08/x
  3. Step 3: Cross multiply
    1,472.55x = 2,032.02 × 843.08
  4. Step 4: Simplify right side
    1,472.55x = 1,713,155.42
  5. Step 5: Solve for x
    x = 1,713,155.42/1,472.55
  6. Step 6: Final answer
    x = 1,163.39

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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.