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Finding the Fourth Proportional to 14,042.08, 21,063.06 and 5,720.24

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Solution

The fourth proportional to 14,042.08, 21,063.06 and 5,720.24 is: 8,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.08 : 21,063.06 = 5,720.24 : x
  2. Step 2: Convert to fraction form
    14,042.08/21,063.06 = 5,720.24/x
  3. Step 3: Cross multiply
    14,042.08x = 21,063.06 × 5,720.24
  4. Step 4: Simplify right side
    14,042.08x = 120,485,758.33
  5. Step 5: Solve for x
    x = 120,485,758.33/14,042.08
  6. Step 6: Final answer
    x = 8,580.34

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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.