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Finding the Fourth Proportional to 48,267.80, 72,401.70 and 23,319.80

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Solution

The fourth proportional to 48,267.80, 72,401.70 and 23,319.80 is: 34,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,267.80 : 72,401.70 = 23,319.80 : x
  2. Step 2: Convert to fraction form
    48,267.80/72,401.70 = 23,319.80/x
  3. Step 3: Cross multiply
    48,267.80x = 72,401.70 × 23,319.80
  4. Step 4: Simplify right side
    48,267.80x = 1,688,393,163.66
  5. Step 5: Solve for x
    x = 1,688,393,163.66/48,267.80
  6. Step 6: Final answer
    x = 34,979.70

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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.