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Finding the Fourth Proportional to 45,797.86, 68,697.74 and 30,102.96

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Solution

The fourth proportional to 45,797.86, 68,697.74 and 30,102.96 is: 45,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,797.86 : 68,697.74 = 30,102.96 : x
  2. Step 2: Convert to fraction form
    45,797.86/68,697.74 = 30,102.96/x
  3. Step 3: Cross multiply
    45,797.86x = 68,697.74 × 30,102.96
  4. Step 4: Simplify right side
    45,797.86x = 2,068,005,319.31
  5. Step 5: Solve for x
    x = 2,068,005,319.31/45,797.86
  6. Step 6: Final answer
    x = 45,155.06

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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.