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Finding the Fourth Proportional to 64,454.22, 88,947.78 and 35,775.74

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Solution

The fourth proportional to 64,454.22, 88,947.78 and 35,775.74 is: 49,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,454.22 : 88,947.78 = 35,775.74 : x
  2. Step 2: Convert to fraction form
    64,454.22/88,947.78 = 35,775.74/x
  3. Step 3: Cross multiply
    64,454.22x = 88,947.78 × 35,775.74
  4. Step 4: Simplify right side
    64,454.22x = 3,182,172,206.12
  5. Step 5: Solve for x
    x = 3,182,172,206.12/64,454.22
  6. Step 6: Final answer
    x = 49,371.05

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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.