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Finding the Fourth Proportional to 5,000.44, 7,498.74 and 1,712.92

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Solution

The fourth proportional to 5,000.44, 7,498.74 and 1,712.92 is: 2,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.44 : 7,498.74 = 1,712.92 : x
  2. Step 2: Convert to fraction form
    5,000.44/7,498.74 = 1,712.92/x
  3. Step 3: Cross multiply
    5,000.44x = 7,498.74 × 1,712.92
  4. Step 4: Simplify right side
    5,000.44x = 12,844,741.72
  5. Step 5: Solve for x
    x = 12,844,741.72/5,000.44
  6. Step 6: Final answer
    x = 2,568.72

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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.