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Finding the Fourth Proportional to 75,015.64, 112,506.72 and 22,418.29

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Solution

The fourth proportional to 75,015.64, 112,506.72 and 22,418.29 is: 33,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,015.64 : 112,506.72 = 22,418.29 : x
  2. Step 2: Convert to fraction form
    75,015.64/112,506.72 = 22,418.29/x
  3. Step 3: Cross multiply
    75,015.64x = 112,506.72 × 22,418.29
  4. Step 4: Simplify right side
    75,015.64x = 2,522,208,275.91
  5. Step 5: Solve for x
    x = 2,522,208,275.91/75,015.64
  6. Step 6: Final answer
    x = 33,622.43

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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.