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Finding the Fourth Proportional to 64,463.40, 88,955.03 and 35,780.81

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Solution

The fourth proportional to 64,463.40, 88,955.03 and 35,780.81 is: 49,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,463.40 : 88,955.03 = 35,780.81 : x
  2. Step 2: Convert to fraction form
    64,463.40/88,955.03 = 35,780.81/x
  3. Step 3: Cross multiply
    64,463.40x = 88,955.03 × 35,780.81
  4. Step 4: Simplify right side
    64,463.40x = 3,182,882,671.65
  5. Step 5: Solve for x
    x = 3,182,882,671.65/64,463.40
  6. Step 6: Final answer
    x = 49,375.04

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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.