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Finding the Fourth Proportional to 54,872.40, 82,308.60 and 37,246.80

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Solution

The fourth proportional to 54,872.40, 82,308.60 and 37,246.80 is: 55,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,872.40 : 82,308.60 = 37,246.80 : x
  2. Step 2: Convert to fraction form
    54,872.40/82,308.60 = 37,246.80/x
  3. Step 3: Cross multiply
    54,872.40x = 82,308.60 × 37,246.80
  4. Step 4: Simplify right side
    54,872.40x = 3,065,731,962.48
  5. Step 5: Solve for x
    x = 3,065,731,962.48/54,872.40
  6. Step 6: Final answer
    x = 55,870.20

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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.