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Finding the Fourth Proportional to 52,887.82, 72,987.09 and 29,015.20

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Solution

The fourth proportional to 52,887.82, 72,987.09 and 29,015.20 is: 40,042.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,887.82 : 72,987.09 = 29,015.20 : x
  2. Step 2: Convert to fraction form
    52,887.82/72,987.09 = 29,015.20/x
  3. Step 3: Cross multiply
    52,887.82x = 72,987.09 × 29,015.20
  4. Step 4: Simplify right side
    52,887.82x = 2,117,734,831.30
  5. Step 5: Solve for x
    x = 2,117,734,831.30/52,887.82
  6. Step 6: Final answer
    x = 40,042.02

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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.