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Finding the Fourth Proportional to 45,498.92, 68,247.90 and 11,764.76

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Solution

The fourth proportional to 45,498.92, 68,247.90 and 11,764.76 is: 17,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,498.92 : 68,247.90 = 11,764.76 : x
  2. Step 2: Convert to fraction form
    45,498.92/68,247.90 = 11,764.76/x
  3. Step 3: Cross multiply
    45,498.92x = 68,247.90 × 11,764.76
  4. Step 4: Simplify right side
    45,498.92x = 802,920,164.00
  5. Step 5: Solve for x
    x = 802,920,164.00/45,498.92
  6. Step 6: Final answer
    x = 17,647.02

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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.