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Finding the Fourth Proportional to 15,605.10, 23,396.71 and 5,743.10

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Solution

The fourth proportional to 15,605.10, 23,396.71 and 5,743.10 is: 8,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.10 : 23,396.71 = 5,743.10 : x
  2. Step 2: Convert to fraction form
    15,605.10/23,396.71 = 5,743.10/x
  3. Step 3: Cross multiply
    15,605.10x = 23,396.71 × 5,743.10
  4. Step 4: Simplify right side
    15,605.10x = 134,369,645.20
  5. Step 5: Solve for x
    x = 134,369,645.20/15,605.10
  6. Step 6: Final answer
    x = 8,610.62

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1.5x scale

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.