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Finding the Fourth Proportional to 48,285.52, 72,457.44 and 30,761.44

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Solution

The fourth proportional to 48,285.52, 72,457.44 and 30,761.44 is: 46,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,285.52 : 72,457.44 = 30,761.44 : x
  2. Step 2: Convert to fraction form
    48,285.52/72,457.44 = 30,761.44/x
  3. Step 3: Cross multiply
    48,285.52x = 72,457.44 × 30,761.44
  4. Step 4: Simplify right side
    48,285.52x = 2,228,895,193.11
  5. Step 5: Solve for x
    x = 2,228,895,193.11/48,285.52
  6. Step 6: Final answer
    x = 46,160.74

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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.