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Finding the Fourth Proportional to 38,483.92, 53,115.72 and 22,576.72

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Solution

The fourth proportional to 38,483.92, 53,115.72 and 22,576.72 is: 31,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,483.92 : 53,115.72 = 22,576.72 : x
  2. Step 2: Convert to fraction form
    38,483.92/53,115.72 = 22,576.72/x
  3. Step 3: Cross multiply
    38,483.92x = 53,115.72 × 22,576.72
  4. Step 4: Simplify right side
    38,483.92x = 1,199,178,738.04
  5. Step 5: Solve for x
    x = 1,199,178,738.04/38,483.92
  6. Step 6: Final answer
    x = 31,160.51

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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.