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Finding the Fourth Proportional to 51,202.90, 70,659.84 and 29,977.93

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Solution

The fourth proportional to 51,202.90, 70,659.84 and 29,977.93 is: 41,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,202.90 : 70,659.84 = 29,977.93 : x
  2. Step 2: Convert to fraction form
    51,202.90/70,659.84 = 29,977.93/x
  3. Step 3: Cross multiply
    51,202.90x = 70,659.84 × 29,977.93
  4. Step 4: Simplify right side
    51,202.90x = 2,118,235,737.33
  5. Step 5: Solve for x
    x = 2,118,235,737.33/51,202.90
  6. Step 6: Final answer
    x = 41,369.45

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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.