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Finding the Fourth Proportional to 64,438.96, 88,926.26 and 35,758.74

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Solution

The fourth proportional to 64,438.96, 88,926.26 and 35,758.74 is: 49,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,438.96 : 88,926.26 = 35,758.74 : x
  2. Step 2: Convert to fraction form
    64,438.96/88,926.26 = 35,758.74/x
  3. Step 3: Cross multiply
    64,438.96x = 88,926.26 × 35,758.74
  4. Step 4: Simplify right side
    64,438.96x = 3,179,891,010.51
  5. Step 5: Solve for x
    x = 3,179,891,010.51/64,438.96
  6. Step 6: Final answer
    x = 49,347.34

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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.