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Finding the Fourth Proportional to 95,497.80, 143,283.56 and 28,938.48

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Solution

The fourth proportional to 95,497.80, 143,283.56 and 28,938.48 is: 43,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,497.80 : 143,283.56 = 28,938.48 : x
  2. Step 2: Convert to fraction form
    95,497.80/143,283.56 = 28,938.48/x
  3. Step 3: Cross multiply
    95,497.80x = 143,283.56 × 28,938.48
  4. Step 4: Simplify right side
    95,497.80x = 4,146,408,290.70
  5. Step 5: Solve for x
    x = 4,146,408,290.70/95,497.80
  6. Step 6: Final answer
    x = 43,418.89

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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.