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Finding the Fourth Proportional to 52,335.61, 72,221.60 and 29,676.67

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Solution

The fourth proportional to 52,335.61, 72,221.60 and 29,676.67 is: 40,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,335.61 : 72,221.60 = 29,676.67 : x
  2. Step 2: Convert to fraction form
    52,335.61/72,221.60 = 29,676.67/x
  3. Step 3: Cross multiply
    52,335.61x = 72,221.60 × 29,676.67
  4. Step 4: Simplify right side
    52,335.61x = 2,143,296,754.54
  5. Step 5: Solve for x
    x = 2,143,296,754.54/52,335.61
  6. Step 6: Final answer
    x = 40,952.93

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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.