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Finding the Fourth Proportional to 28,608.30, 42,822.06 and 25,599.12

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Solution

The fourth proportional to 28,608.30, 42,822.06 and 25,599.12 is: 38,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.30 : 42,822.06 = 25,599.12 : x
  2. Step 2: Convert to fraction form
    28,608.30/42,822.06 = 25,599.12/x
  3. Step 3: Cross multiply
    28,608.30x = 42,822.06 × 25,599.12
  4. Step 4: Simplify right side
    28,608.30x = 1,096,207,052.59
  5. Step 5: Solve for x
    x = 1,096,207,052.59/28,608.30
  6. Step 6: Final answer
    x = 38,317.80

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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.