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Finding the Fourth Proportional to 65,827.59, 90,841.95 and 35,612.96

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Solution

The fourth proportional to 65,827.59, 90,841.95 and 35,612.96 is: 49,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,827.59 : 90,841.95 = 35,612.96 : x
  2. Step 2: Convert to fraction form
    65,827.59/90,841.95 = 35,612.96/x
  3. Step 3: Cross multiply
    65,827.59x = 90,841.95 × 35,612.96
  4. Step 4: Simplify right side
    65,827.59x = 3,235,150,277.46
  5. Step 5: Solve for x
    x = 3,235,150,277.46/65,827.59
  6. Step 6: Final answer
    x = 49,145.81

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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.