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Finding the Fourth Proportional to 1,487.97, 2,233.26 and 795.20

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Solution

The fourth proportional to 1,487.97, 2,233.26 and 795.20 is: 1,193.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.97 : 2,233.26 = 795.20 : x
  2. Step 2: Convert to fraction form
    1,487.97/2,233.26 = 795.20/x
  3. Step 3: Cross multiply
    1,487.97x = 2,233.26 × 795.20
  4. Step 4: Simplify right side
    1,487.97x = 1,775,877.19
  5. Step 5: Solve for x
    x = 1,775,877.19/1,487.97
  6. Step 6: Final answer
    x = 1,193.49

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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.