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Finding the Fourth Proportional to 44,055, 66,069.54 and 12,882.84

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Solution

The fourth proportional to 44,055, 66,069.54 and 12,882.84 is: 19,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,055 : 66,069.54 = 12,882.84 : x
  2. Step 2: Convert to fraction form
    44,055/66,069.54 = 12,882.84/x
  3. Step 3: Cross multiply
    44,055x = 66,069.54 × 12,882.84
  4. Step 4: Simplify right side
    44,055x = 851,163,312.69
  5. Step 5: Solve for x
    x = 851,163,312.69/44,055
  6. Step 6: Final answer
    x = 19,320.47

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1.5x scale

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.