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Finding the Fourth Proportional to 44,574.68, 66,873.65 and 12,984.03

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Solution

The fourth proportional to 44,574.68, 66,873.65 and 12,984.03 is: 19,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,574.68 : 66,873.65 = 12,984.03 : x
  2. Step 2: Convert to fraction form
    44,574.68/66,873.65 = 12,984.03/x
  3. Step 3: Cross multiply
    44,574.68x = 66,873.65 × 12,984.03
  4. Step 4: Simplify right side
    44,574.68x = 868,289,412.89
  5. Step 5: Solve for x
    x = 868,289,412.89/44,574.68
  6. Step 6: Final answer
    x = 19,479.43

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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.