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Finding the Fourth Proportional to 15,825.65, 23,730.62 and 5,292.07

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Solution

The fourth proportional to 15,825.65, 23,730.62 and 5,292.07 is: 7,935.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.65 : 23,730.62 = 5,292.07 : x
  2. Step 2: Convert to fraction form
    15,825.65/23,730.62 = 5,292.07/x
  3. Step 3: Cross multiply
    15,825.65x = 23,730.62 × 5,292.07
  4. Step 4: Simplify right side
    15,825.65x = 125,584,056.09
  5. Step 5: Solve for x
    x = 125,584,056.09/15,825.65
  6. Step 6: Final answer
    x = 7,935.47

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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.