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Finding the Fourth Proportional to 9,387.85, 14,085.95 and 4,944.43

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Solution

The fourth proportional to 9,387.85, 14,085.95 and 4,944.43 is: 7,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.85 : 14,085.95 = 4,944.43 : x
  2. Step 2: Convert to fraction form
    9,387.85/14,085.95 = 4,944.43/x
  3. Step 3: Cross multiply
    9,387.85x = 14,085.95 × 4,944.43
  4. Step 4: Simplify right side
    9,387.85x = 69,646,993.76
  5. Step 5: Solve for x
    x = 69,646,993.76/9,387.85
  6. Step 6: Final answer
    x = 7,418.84

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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.