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Finding the Fourth Proportional to 82,956.30, 124,434.45 and 27,552.30

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Solution

The fourth proportional to 82,956.30, 124,434.45 and 27,552.30 is: 41,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,956.30 : 124,434.45 = 27,552.30 : x
  2. Step 2: Convert to fraction form
    82,956.30/124,434.45 = 27,552.30/x
  3. Step 3: Cross multiply
    82,956.30x = 124,434.45 × 27,552.30
  4. Step 4: Simplify right side
    82,956.30x = 3,428,455,296.74
  5. Step 5: Solve for x
    x = 3,428,455,296.74/82,956.30
  6. Step 6: Final answer
    x = 41,328.45

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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.