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Finding the Fourth Proportional to 15,807.70, 23,723.76 and 5,955.94

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Solution

The fourth proportional to 15,807.70, 23,723.76 and 5,955.94 is: 8,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.70 : 23,723.76 = 5,955.94 : x
  2. Step 2: Convert to fraction form
    15,807.70/23,723.76 = 5,955.94/x
  3. Step 3: Cross multiply
    15,807.70x = 23,723.76 × 5,955.94
  4. Step 4: Simplify right side
    15,807.70x = 141,297,291.13
  5. Step 5: Solve for x
    x = 141,297,291.13/15,807.70
  6. Step 6: Final answer
    x = 8,938.51

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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.