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Finding the Fourth Proportional to 54,984.76, 82,461.66 and 26,889.64

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Solution

The fourth proportional to 54,984.76, 82,461.66 and 26,889.64 is: 40,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,984.76 : 82,461.66 = 26,889.64 : x
  2. Step 2: Convert to fraction form
    54,984.76/82,461.66 = 26,889.64/x
  3. Step 3: Cross multiply
    54,984.76x = 82,461.66 × 26,889.64
  4. Step 4: Simplify right side
    54,984.76x = 2,217,364,351.20
  5. Step 5: Solve for x
    x = 2,217,364,351.20/54,984.76
  6. Step 6: Final answer
    x = 40,326.89

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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.