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Finding the Fourth Proportional to 2,407.32, 3,610.98 and 946.08

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Solution

The fourth proportional to 2,407.32, 3,610.98 and 946.08 is: 1,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.32 : 3,610.98 = 946.08 : x
  2. Step 2: Convert to fraction form
    2,407.32/3,610.98 = 946.08/x
  3. Step 3: Cross multiply
    2,407.32x = 3,610.98 × 946.08
  4. Step 4: Simplify right side
    2,407.32x = 3,416,275.96
  5. Step 5: Solve for x
    x = 3,416,275.96/2,407.32
  6. Step 6: Final answer
    x = 1,419.12

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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.