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Finding the Fourth Proportional to 27,300.80, 40,922.40 and 10,654.40

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Solution

The fourth proportional to 27,300.80, 40,922.40 and 10,654.40 is: 15,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,300.80 : 40,922.40 = 10,654.40 : x
  2. Step 2: Convert to fraction form
    27,300.80/40,922.40 = 10,654.40/x
  3. Step 3: Cross multiply
    27,300.80x = 40,922.40 × 10,654.40
  4. Step 4: Simplify right side
    27,300.80x = 436,003,618.56
  5. Step 5: Solve for x
    x = 436,003,618.56/27,300.80
  6. Step 6: Final answer
    x = 15,970.36

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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.