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Finding the Fourth Proportional to 72,950.40, 100,534.08 and 52,773.06

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Solution

The fourth proportional to 72,950.40, 100,534.08 and 52,773.06 is: 72,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,950.40 : 100,534.08 = 52,773.06 : x
  2. Step 2: Convert to fraction form
    72,950.40/100,534.08 = 52,773.06/x
  3. Step 3: Cross multiply
    72,950.40x = 100,534.08 × 52,773.06
  4. Step 4: Simplify right side
    72,950.40x = 5,305,491,035.88
  5. Step 5: Solve for x
    x = 5,305,491,035.88/72,950.40
  6. Step 6: Final answer
    x = 72,727.37

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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.