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Finding the Fourth Proportional to 15,693.96, 23,509.48 and 9,450.48

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Solution

The fourth proportional to 15,693.96, 23,509.48 and 9,450.48 is: 14,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.96 : 23,509.48 = 9,450.48 : x
  2. Step 2: Convert to fraction form
    15,693.96/23,509.48 = 9,450.48/x
  3. Step 3: Cross multiply
    15,693.96x = 23,509.48 × 9,450.48
  4. Step 4: Simplify right side
    15,693.96x = 222,175,870.55
  5. Step 5: Solve for x
    x = 222,175,870.55/15,693.96
  6. Step 6: Final answer
    x = 14,156.78

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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.