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Finding the Fourth Proportional to 4,999.51, 7,498.56 and 2,748.74

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Solution

The fourth proportional to 4,999.51, 7,498.56 and 2,748.74 is: 4,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.51 : 7,498.56 = 2,748.74 : x
  2. Step 2: Convert to fraction form
    4,999.51/7,498.56 = 2,748.74/x
  3. Step 3: Cross multiply
    4,999.51x = 7,498.56 × 2,748.74
  4. Step 4: Simplify right side
    4,999.51x = 20,611,591.81
  5. Step 5: Solve for x
    x = 20,611,591.81/4,999.51
  6. Step 6: Final answer
    x = 4,122.72

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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.