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Finding the Fourth Proportional to 28,594.77, 42,892.44 and 7,537.83

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Solution

The fourth proportional to 28,594.77, 42,892.44 and 7,537.83 is: 11,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.77 : 42,892.44 = 7,537.83 : x
  2. Step 2: Convert to fraction form
    28,594.77/42,892.44 = 7,537.83/x
  3. Step 3: Cross multiply
    28,594.77x = 42,892.44 × 7,537.83
  4. Step 4: Simplify right side
    28,594.77x = 323,315,921.01
  5. Step 5: Solve for x
    x = 323,315,921.01/28,594.77
  6. Step 6: Final answer
    x = 11,306.82

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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.