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Finding the Fourth Proportional to 50,449.76, 75,685.80 and 15,392.16

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Solution

The fourth proportional to 50,449.76, 75,685.80 and 15,392.16 is: 23,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,449.76 : 75,685.80 = 15,392.16 : x
  2. Step 2: Convert to fraction form
    50,449.76/75,685.80 = 15,392.16/x
  3. Step 3: Cross multiply
    50,449.76x = 75,685.80 × 15,392.16
  4. Step 4: Simplify right side
    50,449.76x = 1,164,967,943.33
  5. Step 5: Solve for x
    x = 1,164,967,943.33/50,449.76
  6. Step 6: Final answer
    x = 23,091.64

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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.