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Finding the Fourth Proportional to 22,394.97, 30,901.09 and 12,703.93

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Solution

The fourth proportional to 22,394.97, 30,901.09 and 12,703.93 is: 17,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,394.97 : 30,901.09 = 12,703.93 : x
  2. Step 2: Convert to fraction form
    22,394.97/30,901.09 = 12,703.93/x
  3. Step 3: Cross multiply
    22,394.97x = 30,901.09 × 12,703.93
  4. Step 4: Simplify right side
    22,394.97x = 392,565,284.28
  5. Step 5: Solve for x
    x = 392,565,284.28/22,394.97
  6. Step 6: Final answer
    x = 17,529.17

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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.