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Finding the Fourth Proportional to 21,482.51, 32,233.31 and 8,335.89

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Solution

The fourth proportional to 21,482.51, 32,233.31 and 8,335.89 is: 12,507.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482.51 : 32,233.31 = 8,335.89 : x
  2. Step 2: Convert to fraction form
    21,482.51/32,233.31 = 8,335.89/x
  3. Step 3: Cross multiply
    21,482.51x = 32,233.31 × 8,335.89
  4. Step 4: Simplify right side
    21,482.51x = 268,693,284.82
  5. Step 5: Solve for x
    x = 268,693,284.82/21,482.51
  6. Step 6: Final answer
    x = 12,507.54

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