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Finding the Fourth Proportional to 22,551.29, 31,100.21 and 19,363.58

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Solution

The fourth proportional to 22,551.29, 31,100.21 and 19,363.58 is: 26,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,551.29 : 31,100.21 = 19,363.58 : x
  2. Step 2: Convert to fraction form
    22,551.29/31,100.21 = 19,363.58/x
  3. Step 3: Cross multiply
    22,551.29x = 31,100.21 × 19,363.58
  4. Step 4: Simplify right side
    22,551.29x = 602,211,530.51
  5. Step 5: Solve for x
    x = 602,211,530.51/22,551.29
  6. Step 6: Final answer
    x = 26,704.09

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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.