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Finding the Fourth Proportional to 32,405.00, 48,605.87 and 12,687.17

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Solution

The fourth proportional to 32,405.00, 48,605.87 and 12,687.17 is: 19,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,405.00 : 48,605.87 = 12,687.17 : x
  2. Step 2: Convert to fraction form
    32,405.00/48,605.87 = 12,687.17/x
  3. Step 3: Cross multiply
    32,405.00x = 48,605.87 × 12,687.17
  4. Step 4: Simplify right side
    32,405.00x = 616,670,724.38
  5. Step 5: Solve for x
    x = 616,670,724.38/32,405.00
  6. Step 6: Final answer
    x = 19,030.11

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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.