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Finding the Fourth Proportional to 64,290.33, 88,718.63 and 35,610.93

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Solution

The fourth proportional to 64,290.33, 88,718.63 and 35,610.93 is: 49,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,290.33 : 88,718.63 = 35,610.93 : x
  2. Step 2: Convert to fraction form
    64,290.33/88,718.63 = 35,610.93/x
  3. Step 3: Cross multiply
    64,290.33x = 88,718.63 × 35,610.93
  4. Step 4: Simplify right side
    64,290.33x = 3,159,352,744.57
  5. Step 5: Solve for x
    x = 3,159,352,744.57/64,290.33
  6. Step 6: Final answer
    x = 49,141.96

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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.