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Finding the Fourth Proportional to 52,881.44, 72,976.32 and 29,008.22

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Solution

The fourth proportional to 52,881.44, 72,976.32 and 29,008.22 is: 40,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,881.44 : 72,976.32 = 29,008.22 : x
  2. Step 2: Convert to fraction form
    52,881.44/72,976.32 = 29,008.22/x
  3. Step 3: Cross multiply
    52,881.44x = 72,976.32 × 29,008.22
  4. Step 4: Simplify right side
    52,881.44x = 2,116,913,145.35
  5. Step 5: Solve for x
    x = 2,116,913,145.35/52,881.44
  6. Step 6: Final answer
    x = 40,031.31

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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.