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Finding the Fourth Proportional to 50,948.64, 76,422.24 and 15,888.64

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Solution

The fourth proportional to 50,948.64, 76,422.24 and 15,888.64 is: 23,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,948.64 : 76,422.24 = 15,888.64 : x
  2. Step 2: Convert to fraction form
    50,948.64/76,422.24 = 15,888.64/x
  3. Step 3: Cross multiply
    50,948.64x = 76,422.24 × 15,888.64
  4. Step 4: Simplify right side
    50,948.64x = 1,214,245,459.35
  5. Step 5: Solve for x
    x = 1,214,245,459.35/50,948.64
  6. Step 6: Final answer
    x = 23,832.74

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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.