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Finding the Fourth Proportional to 38,647.68, 53,334.72 and 22,733.76

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Solution

The fourth proportional to 38,647.68, 53,334.72 and 22,733.76 is: 31,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647.68 : 53,334.72 = 22,733.76 : x
  2. Step 2: Convert to fraction form
    38,647.68/53,334.72 = 22,733.76/x
  3. Step 3: Cross multiply
    38,647.68x = 53,334.72 × 22,733.76
  4. Step 4: Simplify right side
    38,647.68x = 1,212,498,724.15
  5. Step 5: Solve for x
    x = 1,212,498,724.15/38,647.68
  6. Step 6: Final answer
    x = 31,373.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.