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Finding the Fourth Proportional to 54,977.70, 82,466.55 and 48,411.30

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Solution

The fourth proportional to 54,977.70, 82,466.55 and 48,411.30 is: 72,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,977.70 : 82,466.55 = 48,411.30 : x
  2. Step 2: Convert to fraction form
    54,977.70/82,466.55 = 48,411.30/x
  3. Step 3: Cross multiply
    54,977.70x = 82,466.55 × 48,411.30
  4. Step 4: Simplify right side
    54,977.70x = 3,992,312,892.02
  5. Step 5: Solve for x
    x = 3,992,312,892.02/54,977.70
  6. Step 6: Final answer
    x = 72,616.95

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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.