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Finding the Fourth Proportional to 64,121.50, 88,486.02 and 35,827.42

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Solution

The fourth proportional to 64,121.50, 88,486.02 and 35,827.42 is: 49,440.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121.50 : 88,486.02 = 35,827.42 : x
  2. Step 2: Convert to fraction form
    64,121.50/88,486.02 = 35,827.42/x
  3. Step 3: Cross multiply
    64,121.50x = 88,486.02 × 35,827.42
  4. Step 4: Simplify right side
    64,121.50x = 3,170,225,802.67
  5. Step 5: Solve for x
    x = 3,170,225,802.67/64,121.50
  6. Step 6: Final answer
    x = 49,440.92

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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.