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Finding the Fourth Proportional to 28,626.93, 42,944.31 and 9,901.94

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Solution

The fourth proportional to 28,626.93, 42,944.31 and 9,901.94 is: 14,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.93 : 42,944.31 = 9,901.94 : x
  2. Step 2: Convert to fraction form
    28,626.93/42,944.31 = 9,901.94/x
  3. Step 3: Cross multiply
    28,626.93x = 42,944.31 × 9,901.94
  4. Step 4: Simplify right side
    28,626.93x = 425,231,766.24
  5. Step 5: Solve for x
    x = 425,231,766.24/28,626.93
  6. Step 6: Final answer
    x = 14,854.26

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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.