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Finding the Fourth Proportional to 4,988.37, 7,498.98 and 4,168.25

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Solution

The fourth proportional to 4,988.37, 7,498.98 and 4,168.25 is: 6,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.37 : 7,498.98 = 4,168.25 : x
  2. Step 2: Convert to fraction form
    4,988.37/7,498.98 = 4,168.25/x
  3. Step 3: Cross multiply
    4,988.37x = 7,498.98 × 4,168.25
  4. Step 4: Simplify right side
    4,988.37x = 31,257,623.39
  5. Step 5: Solve for x
    x = 31,257,623.39/4,988.37
  6. Step 6: Final answer
    x = 6,266.10

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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.