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Finding the Fourth Proportional to 18,947.01, 28,424.22 and 5,801.34

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Solution

The fourth proportional to 18,947.01, 28,424.22 and 5,801.34 is: 8,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.01 : 28,424.22 = 5,801.34 : x
  2. Step 2: Convert to fraction form
    18,947.01/28,424.22 = 5,801.34/x
  3. Step 3: Cross multiply
    18,947.01x = 28,424.22 × 5,801.34
  4. Step 4: Simplify right side
    18,947.01x = 164,898,564.45
  5. Step 5: Solve for x
    x = 164,898,564.45/18,947.01
  6. Step 6: Final answer
    x = 8,703.14

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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.