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Finding the Fourth Proportional to 52,216.70, 72,059.41 and 28,343.37

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Solution

The fourth proportional to 52,216.70, 72,059.41 and 28,343.37 is: 39,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,216.70 : 72,059.41 = 28,343.37 : x
  2. Step 2: Convert to fraction form
    52,216.70/72,059.41 = 28,343.37/x
  3. Step 3: Cross multiply
    52,216.70x = 72,059.41 × 28,343.37
  4. Step 4: Simplify right side
    52,216.70x = 2,042,406,519.61
  5. Step 5: Solve for x
    x = 2,042,406,519.61/52,216.70
  6. Step 6: Final answer
    x = 39,114.05

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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.