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Finding the Fourth Proportional to 1,502.96, 2,073.85 and 873.52

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Solution

The fourth proportional to 1,502.96, 2,073.85 and 873.52 is: 1,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.96 : 2,073.85 = 873.52 : x
  2. Step 2: Convert to fraction form
    1,502.96/2,073.85 = 873.52/x
  3. Step 3: Cross multiply
    1,502.96x = 2,073.85 × 873.52
  4. Step 4: Simplify right side
    1,502.96x = 1,811,542.08
  5. Step 5: Solve for x
    x = 1,811,542.08/1,502.96
  6. Step 6: Final answer
    x = 1,205.32

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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.