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Finding the Fourth Proportional to 2,365.92, 3,547.92 and 826.56

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Solution

The fourth proportional to 2,365.92, 3,547.92 and 826.56 is: 1,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.92 : 3,547.92 = 826.56 : x
  2. Step 2: Convert to fraction form
    2,365.92/3,547.92 = 826.56/x
  3. Step 3: Cross multiply
    2,365.92x = 3,547.92 × 826.56
  4. Step 4: Simplify right side
    2,365.92x = 2,932,568.76
  5. Step 5: Solve for x
    x = 2,932,568.76/2,365.92
  6. Step 6: Final answer
    x = 1,239.50

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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.