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Finding the Fourth Proportional to 52,987.70, 73,124.37 and 29,114.98

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Solution

The fourth proportional to 52,987.70, 73,124.37 and 29,114.98 is: 40,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,987.70 : 73,124.37 = 29,114.98 : x
  2. Step 2: Convert to fraction form
    52,987.70/73,124.37 = 29,114.98/x
  3. Step 3: Cross multiply
    52,987.70x = 73,124.37 × 29,114.98
  4. Step 4: Simplify right side
    52,987.70x = 2,129,014,387.25
  5. Step 5: Solve for x
    x = 2,129,014,387.25/52,987.70
  6. Step 6: Final answer
    x = 40,179.41

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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.