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Finding the Fourth Proportional to 22,574.97, 33,830.19 and 12,693.51

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Solution

The fourth proportional to 22,574.97, 33,830.19 and 12,693.51 is: 19,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574.97 : 33,830.19 = 12,693.51 : x
  2. Step 2: Convert to fraction form
    22,574.97/33,830.19 = 12,693.51/x
  3. Step 3: Cross multiply
    22,574.97x = 33,830.19 × 12,693.51
  4. Step 4: Simplify right side
    22,574.97x = 429,423,855.07
  5. Step 5: Solve for x
    x = 429,423,855.07/22,574.97
  6. Step 6: Final answer
    x = 19,022.12

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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.