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Finding the Fourth Proportional to 14,247.86, 21,370.16 and 5,929.16

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Solution

The fourth proportional to 14,247.86, 21,370.16 and 5,929.16 is: 8,893.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.86 : 21,370.16 = 5,929.16 : x
  2. Step 2: Convert to fraction form
    14,247.86/21,370.16 = 5,929.16/x
  3. Step 3: Cross multiply
    14,247.86x = 21,370.16 × 5,929.16
  4. Step 4: Simplify right side
    14,247.86x = 126,707,097.87
  5. Step 5: Solve for x
    x = 126,707,097.87/14,247.86
  6. Step 6: Final answer
    x = 8,893.06

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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.