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Finding the Fourth Proportional to 34,674.65, 51,980.29 and 12,482.95

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Solution

The fourth proportional to 34,674.65, 51,980.29 and 12,482.95 is: 18,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,674.65 : 51,980.29 = 12,482.95 : x
  2. Step 2: Convert to fraction form
    34,674.65/51,980.29 = 12,482.95/x
  3. Step 3: Cross multiply
    34,674.65x = 51,980.29 × 12,482.95
  4. Step 4: Simplify right side
    34,674.65x = 648,867,361.06
  5. Step 5: Solve for x
    x = 648,867,361.06/34,674.65
  6. Step 6: Final answer
    x = 18,713.02

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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.