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Finding the Fourth Proportional to 54,962.60, 82,443.90 and 40,200.35

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Solution

The fourth proportional to 54,962.60, 82,443.90 and 40,200.35 is: 60,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,962.60 : 82,443.90 = 40,200.35 : x
  2. Step 2: Convert to fraction form
    54,962.60/82,443.90 = 40,200.35/x
  3. Step 3: Cross multiply
    54,962.60x = 82,443.90 × 40,200.35
  4. Step 4: Simplify right side
    54,962.60x = 3,314,273,635.37
  5. Step 5: Solve for x
    x = 3,314,273,635.37/54,962.60
  6. Step 6: Final answer
    x = 60,300.53

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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.