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Finding the Fourth Proportional to 14,807.86, 22,211.78 and 7,404.86

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Solution

The fourth proportional to 14,807.86, 22,211.78 and 7,404.86 is: 11,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.86 : 22,211.78 = 7,404.86 : x
  2. Step 2: Convert to fraction form
    14,807.86/22,211.78 = 7,404.86/x
  3. Step 3: Cross multiply
    14,807.86x = 22,211.78 × 7,404.86
  4. Step 4: Simplify right side
    14,807.86x = 164,475,121.25
  5. Step 5: Solve for x
    x = 164,475,121.25/14,807.86
  6. Step 6: Final answer
    x = 11,107.28

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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.