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Finding the Fourth Proportional to 75,063.34, 112,531.42 and 32,911.48

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Solution

The fourth proportional to 75,063.34, 112,531.42 and 32,911.48 is: 49,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,063.34 : 112,531.42 = 32,911.48 : x
  2. Step 2: Convert to fraction form
    75,063.34/112,531.42 = 32,911.48/x
  3. Step 3: Cross multiply
    75,063.34x = 112,531.42 × 32,911.48
  4. Step 4: Simplify right side
    75,063.34x = 3,703,575,578.70
  5. Step 5: Solve for x
    x = 3,703,575,578.70/75,063.34
  6. Step 6: Final answer
    x = 49,339.34

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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.