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Finding the Fourth Proportional to 48,846.60, 73,269.90 and 48,328.20

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Solution

The fourth proportional to 48,846.60, 73,269.90 and 48,328.20 is: 72,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,846.60 : 73,269.90 = 48,328.20 : x
  2. Step 2: Convert to fraction form
    48,846.60/73,269.90 = 48,328.20/x
  3. Step 3: Cross multiply
    48,846.60x = 73,269.90 × 48,328.20
  4. Step 4: Simplify right side
    48,846.60x = 3,541,002,381.18
  5. Step 5: Solve for x
    x = 3,541,002,381.18/48,846.60
  6. Step 6: Final answer
    x = 72,492.30

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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.