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Finding the Fourth Proportional to 29,332.80, 43,999.20 and 27,259.20

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Solution

The fourth proportional to 29,332.80, 43,999.20 and 27,259.20 is: 40,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,332.80 : 43,999.20 = 27,259.20 : x
  2. Step 2: Convert to fraction form
    29,332.80/43,999.20 = 27,259.20/x
  3. Step 3: Cross multiply
    29,332.80x = 43,999.20 × 27,259.20
  4. Step 4: Simplify right side
    29,332.80x = 1,199,382,992.64
  5. Step 5: Solve for x
    x = 1,199,382,992.64/29,332.80
  6. Step 6: Final answer
    x = 40,888.80

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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.