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Finding the Fourth Proportional to 64,407.94, 88,888.11 and 35,730.43

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Solution

The fourth proportional to 64,407.94, 88,888.11 and 35,730.43 is: 49,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,407.94 : 88,888.11 = 35,730.43 : x
  2. Step 2: Convert to fraction form
    64,407.94/88,888.11 = 35,730.43/x
  3. Step 3: Cross multiply
    64,407.94x = 88,888.11 × 35,730.43
  4. Step 4: Simplify right side
    64,407.94x = 3,176,010,392.19
  5. Step 5: Solve for x
    x = 3,176,010,392.19/64,407.94
  6. Step 6: Final answer
    x = 49,310.85

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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.