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Finding the Fourth Proportional to 28,552.91, 42,833.48 and 8,833.01

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Solution

The fourth proportional to 28,552.91, 42,833.48 and 8,833.01 is: 13,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.91 : 42,833.48 = 8,833.01 : x
  2. Step 2: Convert to fraction form
    28,552.91/42,833.48 = 8,833.01/x
  3. Step 3: Cross multiply
    28,552.91x = 42,833.48 × 8,833.01
  4. Step 4: Simplify right side
    28,552.91x = 378,348,419.31
  5. Step 5: Solve for x
    x = 378,348,419.31/28,552.91
  6. Step 6: Final answer
    x = 13,250.78

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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.