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Finding the Fourth Proportional to 22,362.13, 30,866.22 and 14,910.13

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Solution

The fourth proportional to 22,362.13, 30,866.22 and 14,910.13 is: 20,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,362.13 : 30,866.22 = 14,910.13 : x
  2. Step 2: Convert to fraction form
    22,362.13/30,866.22 = 14,910.13/x
  3. Step 3: Cross multiply
    22,362.13x = 30,866.22 × 14,910.13
  4. Step 4: Simplify right side
    22,362.13x = 460,219,123.93
  5. Step 5: Solve for x
    x = 460,219,123.93/22,362.13
  6. Step 6: Final answer
    x = 20,580.29

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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.