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Finding the Fourth Proportional to 52,335.76, 72,221.81 and 29,676.82

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Solution

The fourth proportional to 52,335.76, 72,221.81 and 29,676.82 is: 40,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,335.76 : 72,221.81 = 29,676.82 : x
  2. Step 2: Convert to fraction form
    52,335.76/72,221.81 = 29,676.82/x
  3. Step 3: Cross multiply
    52,335.76x = 72,221.81 × 29,676.82
  4. Step 4: Simplify right side
    52,335.76x = 2,143,313,761.81
  5. Step 5: Solve for x
    x = 2,143,313,761.81/52,335.76
  6. Step 6: Final answer
    x = 40,953.14

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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.