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Finding the Fourth Proportional to 1,766.03, 2,437.19 and 969.38

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Solution

The fourth proportional to 1,766.03, 2,437.19 and 969.38 is: 1,337.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.03 : 2,437.19 = 969.38 : x
  2. Step 2: Convert to fraction form
    1,766.03/2,437.19 = 969.38/x
  3. Step 3: Cross multiply
    1,766.03x = 2,437.19 × 969.38
  4. Step 4: Simplify right side
    1,766.03x = 2,362,552.30
  5. Step 5: Solve for x
    x = 2,362,552.30/1,766.03
  6. Step 6: Final answer
    x = 1,337.78

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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.