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Finding the Fourth Proportional to 2,460.38, 3,691.93 and 999.19

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Solution

The fourth proportional to 2,460.38, 3,691.93 and 999.19 is: 1,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.38 : 3,691.93 = 999.19 : x
  2. Step 2: Convert to fraction form
    2,460.38/3,691.93 = 999.19/x
  3. Step 3: Cross multiply
    2,460.38x = 3,691.93 × 999.19
  4. Step 4: Simplify right side
    2,460.38x = 3,688,922.76
  5. Step 5: Solve for x
    x = 3,688,922.76/2,460.38
  6. Step 6: Final answer
    x = 1,499.33

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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.