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Finding the Fourth Proportional to 22,938.80, 34,153.48 and 22,809.20

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Solution

The fourth proportional to 22,938.80, 34,153.48 and 22,809.20 is: 33,960.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,938.80 : 34,153.48 = 22,809.20 : x
  2. Step 2: Convert to fraction form
    22,938.80/34,153.48 = 22,809.20/x
  3. Step 3: Cross multiply
    22,938.80x = 34,153.48 × 22,809.20
  4. Step 4: Simplify right side
    22,938.80x = 779,013,556.02
  5. Step 5: Solve for x
    x = 779,013,556.02/22,938.80
  6. Step 6: Final answer
    x = 33,960.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.