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Finding the Fourth Proportional to 75,004.80, 112,519.80 and 22,419.60

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Solution

The fourth proportional to 75,004.80, 112,519.80 and 22,419.60 is: 33,633.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,004.80 : 112,519.80 = 22,419.60 : x
  2. Step 2: Convert to fraction form
    75,004.80/112,519.80 = 22,419.60/x
  3. Step 3: Cross multiply
    75,004.80x = 112,519.80 × 22,419.60
  4. Step 4: Simplify right side
    75,004.80x = 2,522,648,908.08
  5. Step 5: Solve for x
    x = 2,522,648,908.08/75,004.80
  6. Step 6: Final answer
    x = 33,633.17

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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.