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Finding the Fourth Proportional to 43,351.65, 64,966.73 and 34,482.15

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Solution

The fourth proportional to 43,351.65, 64,966.73 and 34,482.15 is: 51,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,351.65 : 64,966.73 = 34,482.15 : x
  2. Step 2: Convert to fraction form
    43,351.65/64,966.73 = 34,482.15/x
  3. Step 3: Cross multiply
    43,351.65x = 64,966.73 × 34,482.15
  4. Step 4: Simplify right side
    43,351.65x = 2,240,192,356.46
  5. Step 5: Solve for x
    x = 2,240,192,356.46/43,351.65
  6. Step 6: Final answer
    x = 51,674.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.