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Finding the Fourth Proportional to 64,461.75, 88,955.82 and 35,779.72

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Solution

The fourth proportional to 64,461.75, 88,955.82 and 35,779.72 is: 49,375.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,461.75 : 88,955.82 = 35,779.72 : x
  2. Step 2: Convert to fraction form
    64,461.75/88,955.82 = 35,779.72/x
  3. Step 3: Cross multiply
    64,461.75x = 88,955.82 × 35,779.72
  4. Step 4: Simplify right side
    64,461.75x = 3,182,814,331.97
  5. Step 5: Solve for x
    x = 3,182,814,331.97/64,461.75
  6. Step 6: Final answer
    x = 49,375.24

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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.