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Finding the Fourth Proportional to 23,253.60, 32,089.59 and 12,643.50

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Solution

The fourth proportional to 23,253.60, 32,089.59 and 12,643.50 is: 17,447.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,253.60 : 32,089.59 = 12,643.50 : x
  2. Step 2: Convert to fraction form
    23,253.60/32,089.59 = 12,643.50/x
  3. Step 3: Cross multiply
    23,253.60x = 32,089.59 × 12,643.50
  4. Step 4: Simplify right side
    23,253.60x = 405,724,731.17
  5. Step 5: Solve for x
    x = 405,724,731.17/23,253.60
  6. Step 6: Final answer
    x = 17,447.82

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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.