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Finding the Fourth Proportional to 75,283.90, 112,942.55 and 22,689.59

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Solution

The fourth proportional to 75,283.90, 112,942.55 and 22,689.59 is: 34,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,283.90 : 112,942.55 = 22,689.59 : x
  2. Step 2: Convert to fraction form
    75,283.90/112,942.55 = 22,689.59/x
  3. Step 3: Cross multiply
    75,283.90x = 112,942.55 × 22,689.59
  4. Step 4: Simplify right side
    75,283.90x = 2,562,619,645.07
  5. Step 5: Solve for x
    x = 2,562,619,645.07/75,283.90
  6. Step 6: Final answer
    x = 34,039.41

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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.