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Finding the Fourth Proportional to 15,111.63, 22,667.45 and 5,749.49

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Solution

The fourth proportional to 15,111.63, 22,667.45 and 5,749.49 is: 8,624.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.63 : 22,667.45 = 5,749.49 : x
  2. Step 2: Convert to fraction form
    15,111.63/22,667.45 = 5,749.49/x
  3. Step 3: Cross multiply
    15,111.63x = 22,667.45 × 5,749.49
  4. Step 4: Simplify right side
    15,111.63x = 130,326,305.02
  5. Step 5: Solve for x
    x = 130,326,305.02/15,111.63
  6. Step 6: Final answer
    x = 8,624.24

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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.