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Finding the Fourth Proportional to 52,893.51, 72,991.13 and 29,019.67

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Solution

The fourth proportional to 52,893.51, 72,991.13 and 29,019.67 is: 40,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,893.51 : 72,991.13 = 29,019.67 : x
  2. Step 2: Convert to fraction form
    52,893.51/72,991.13 = 29,019.67/x
  3. Step 3: Cross multiply
    52,893.51x = 72,991.13 × 29,019.67
  4. Step 4: Simplify right side
    52,893.51x = 2,118,178,177.95
  5. Step 5: Solve for x
    x = 2,118,178,177.95/52,893.51
  6. Step 6: Final answer
    x = 40,046.09

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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.