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Finding the Fourth Proportional to 82,849.40, 124,274.10 and 27,445.40

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Solution

The fourth proportional to 82,849.40, 124,274.10 and 27,445.40 is: 41,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,849.40 : 124,274.10 = 27,445.40 : x
  2. Step 2: Convert to fraction form
    82,849.40/124,274.10 = 27,445.40/x
  3. Step 3: Cross multiply
    82,849.40x = 124,274.10 × 27,445.40
  4. Step 4: Simplify right side
    82,849.40x = 3,410,752,384.14
  5. Step 5: Solve for x
    x = 3,410,752,384.14/82,849.40
  6. Step 6: Final answer
    x = 41,168.10

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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.