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Finding the Fourth Proportional to 1,795.24, 2,693.40 and 871.30

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Solution

The fourth proportional to 1,795.24, 2,693.40 and 871.30 is: 1,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.24 : 2,693.40 = 871.30 : x
  2. Step 2: Convert to fraction form
    1,795.24/2,693.40 = 871.30/x
  3. Step 3: Cross multiply
    1,795.24x = 2,693.40 × 871.30
  4. Step 4: Simplify right side
    1,795.24x = 2,346,759.42
  5. Step 5: Solve for x
    x = 2,346,759.42/1,795.24
  6. Step 6: Final answer
    x = 1,307.21

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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.