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Finding the Fourth Proportional to 48,289.98, 72,420.23 and 33,392.87

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Solution

The fourth proportional to 48,289.98, 72,420.23 and 33,392.87 is: 50,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,289.98 : 72,420.23 = 33,392.87 : x
  2. Step 2: Convert to fraction form
    48,289.98/72,420.23 = 33,392.87/x
  3. Step 3: Cross multiply
    48,289.98x = 72,420.23 × 33,392.87
  4. Step 4: Simplify right side
    48,289.98x = 2,418,318,963.66
  5. Step 5: Solve for x
    x = 2,418,318,963.66/48,289.98
  6. Step 6: Final answer
    x = 50,079.10

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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.