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Finding the Fourth Proportional to 84,026.17, 115,964.09 and 48,224.17

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Solution

The fourth proportional to 84,026.17, 115,964.09 and 48,224.17 is: 66,553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,026.17 : 115,964.09 = 48,224.17 : x
  2. Step 2: Convert to fraction form
    84,026.17/115,964.09 = 48,224.17/x
  3. Step 3: Cross multiply
    84,026.17x = 115,964.09 × 48,224.17
  4. Step 4: Simplify right side
    84,026.17x = 5,592,271,990.06
  5. Step 5: Solve for x
    x = 5,592,271,990.06/84,026.17
  6. Step 6: Final answer
    x = 66,553.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.