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Finding the Fourth Proportional to 23,220.95, 32,054.73 and 15,677.50

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Solution

The fourth proportional to 23,220.95, 32,054.73 and 15,677.50 is: 21,641.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.95 : 32,054.73 = 15,677.50 : x
  2. Step 2: Convert to fraction form
    23,220.95/32,054.73 = 15,677.50/x
  3. Step 3: Cross multiply
    23,220.95x = 32,054.73 × 15,677.50
  4. Step 4: Simplify right side
    23,220.95x = 502,538,029.58
  5. Step 5: Solve for x
    x = 502,538,029.58/23,220.95
  6. Step 6: Final answer
    x = 21,641.58

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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.