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Finding the Fourth Proportional to 15,168.23, 22,735.91 and 7,762.53

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Solution

The fourth proportional to 15,168.23, 22,735.91 and 7,762.53 is: 11,635.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.23 : 22,735.91 = 7,762.53 : x
  2. Step 2: Convert to fraction form
    15,168.23/22,735.91 = 7,762.53/x
  3. Step 3: Cross multiply
    15,168.23x = 22,735.91 × 7,762.53
  4. Step 4: Simplify right side
    15,168.23x = 176,488,244.45
  5. Step 5: Solve for x
    x = 176,488,244.45/15,168.23
  6. Step 6: Final answer
    x = 11,635.39

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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.