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Finding the Fourth Proportional to 19,353.31, 29,034.85 and 5,502.31

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Solution

The fourth proportional to 19,353.31, 29,034.85 and 5,502.31 is: 8,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.31 : 29,034.85 = 5,502.31 : x
  2. Step 2: Convert to fraction form
    19,353.31/29,034.85 = 5,502.31/x
  3. Step 3: Cross multiply
    19,353.31x = 29,034.85 × 5,502.31
  4. Step 4: Simplify right side
    19,353.31x = 159,758,804.33
  5. Step 5: Solve for x
    x = 159,758,804.33/19,353.31
  6. Step 6: Final answer
    x = 8,254.86

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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.