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Finding the Fourth Proportional to 39,002, 53,832.36 and 22,244.72

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Solution

The fourth proportional to 39,002, 53,832.36 and 22,244.72 is: 30,703.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002 : 53,832.36 = 22,244.72 : x
  2. Step 2: Convert to fraction form
    39,002/53,832.36 = 22,244.72/x
  3. Step 3: Cross multiply
    39,002x = 53,832.36 × 22,244.72
  4. Step 4: Simplify right side
    39,002x = 1,197,485,775.14
  5. Step 5: Solve for x
    x = 1,197,485,775.14/39,002
  6. Step 6: Final answer
    x = 30,703.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.