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Finding the Fourth Proportional to 9,939.08, 14,894.54 and 7,738.12

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Solution

The fourth proportional to 9,939.08, 14,894.54 and 7,738.12 is: 11,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.08 : 14,894.54 = 7,738.12 : x
  2. Step 2: Convert to fraction form
    9,939.08/14,894.54 = 7,738.12/x
  3. Step 3: Cross multiply
    9,939.08x = 14,894.54 × 7,738.12
  4. Step 4: Simplify right side
    9,939.08x = 115,255,737.86
  5. Step 5: Solve for x
    x = 115,255,737.86/9,939.08
  6. Step 6: Final answer
    x = 11,596.22

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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.