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Finding the Fourth Proportional to 72,528.93, 108,774.92 and 22,599.72

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Solution

The fourth proportional to 72,528.93, 108,774.92 and 22,599.72 is: 33,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,528.93 : 108,774.92 = 22,599.72 : x
  2. Step 2: Convert to fraction form
    72,528.93/108,774.92 = 22,599.72/x
  3. Step 3: Cross multiply
    72,528.93x = 108,774.92 × 22,599.72
  4. Step 4: Simplify right side
    72,528.93x = 2,458,282,622.02
  5. Step 5: Solve for x
    x = 2,458,282,622.02/72,528.93
  6. Step 6: Final answer
    x = 33,893.82

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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.