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Finding the Fourth Proportional to 45,468.96, 68,188.48 and 15,880.16

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Solution

The fourth proportional to 45,468.96, 68,188.48 and 15,880.16 is: 23,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,468.96 : 68,188.48 = 15,880.16 : x
  2. Step 2: Convert to fraction form
    45,468.96/68,188.48 = 15,880.16/x
  3. Step 3: Cross multiply
    45,468.96x = 68,188.48 × 15,880.16
  4. Step 4: Simplify right side
    45,468.96x = 1,082,843,972.56
  5. Step 5: Solve for x
    x = 1,082,843,972.56/45,468.96
  6. Step 6: Final answer
    x = 23,815.02

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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.