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Finding the Fourth Proportional to 15,199.86, 22,802.07 and 6,879.72

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Solution

The fourth proportional to 15,199.86, 22,802.07 and 6,879.72 is: 10,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,199.86 : 22,802.07 = 6,879.72 : x
  2. Step 2: Convert to fraction form
    15,199.86/22,802.07 = 6,879.72/x
  3. Step 3: Cross multiply
    15,199.86x = 22,802.07 × 6,879.72
  4. Step 4: Simplify right side
    15,199.86x = 156,871,857.02
  5. Step 5: Solve for x
    x = 156,871,857.02/15,199.86
  6. Step 6: Final answer
    x = 10,320.61

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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.