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Finding the Fourth Proportional to 39,073.32, 53,918.04 and 22,079.04

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Solution

The fourth proportional to 39,073.32, 53,918.04 and 22,079.04 is: 30,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,073.32 : 53,918.04 = 22,079.04 : x
  2. Step 2: Convert to fraction form
    39,073.32/53,918.04 = 22,079.04/x
  3. Step 3: Cross multiply
    39,073.32x = 53,918.04 × 22,079.04
  4. Step 4: Simplify right side
    39,073.32x = 1,190,458,561.88
  5. Step 5: Solve for x
    x = 1,190,458,561.88/39,073.32
  6. Step 6: Final answer
    x = 30,467.30

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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.