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Finding the Fourth Proportional to 35,809.40, 53,731.92 and 27,097.76

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Solution

The fourth proportional to 35,809.40, 53,731.92 and 27,097.76 is: 40,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,809.40 : 53,731.92 = 27,097.76 : x
  2. Step 2: Convert to fraction form
    35,809.40/53,731.92 = 27,097.76/x
  3. Step 3: Cross multiply
    35,809.40x = 53,731.92 × 27,097.76
  4. Step 4: Simplify right side
    35,809.40x = 1,456,014,672.50
  5. Step 5: Solve for x
    x = 1,456,014,672.50/35,809.40
  6. Step 6: Final answer
    x = 40,660.12

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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.