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Finding the Fourth Proportional to 48,672.77, 72,983.70 and 21,995.82

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Solution

The fourth proportional to 48,672.77, 72,983.70 and 21,995.82 is: 32,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,672.77 : 72,983.70 = 21,995.82 : x
  2. Step 2: Convert to fraction form
    48,672.77/72,983.70 = 21,995.82/x
  3. Step 3: Cross multiply
    48,672.77x = 72,983.70 × 21,995.82
  4. Step 4: Simplify right side
    48,672.77x = 1,605,336,328.13
  5. Step 5: Solve for x
    x = 1,605,336,328.13/48,672.77
  6. Step 6: Final answer
    x = 32,982.23

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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.