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Finding the Fourth Proportional to 72,317.66, 108,474.66 and 22,395.74

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Solution

The fourth proportional to 72,317.66, 108,474.66 and 22,395.74 is: 33,593.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,317.66 : 108,474.66 = 22,395.74 : x
  2. Step 2: Convert to fraction form
    72,317.66/108,474.66 = 22,395.74/x
  3. Step 3: Cross multiply
    72,317.66x = 108,474.66 × 22,395.74
  4. Step 4: Simplify right side
    72,317.66x = 2,429,369,739.58
  5. Step 5: Solve for x
    x = 2,429,369,739.58/72,317.66
  6. Step 6: Final answer
    x = 33,593.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.