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Finding the Fourth Proportional to 4,968.74, 7,455.88 and 4,241.63

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Solution

The fourth proportional to 4,968.74, 7,455.88 and 4,241.63 is: 6,364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.74 : 7,455.88 = 4,241.63 : x
  2. Step 2: Convert to fraction form
    4,968.74/7,455.88 = 4,241.63/x
  3. Step 3: Cross multiply
    4,968.74x = 7,455.88 × 4,241.63
  4. Step 4: Simplify right side
    4,968.74x = 31,625,108.23
  5. Step 5: Solve for x
    x = 31,625,108.23/4,968.74
  6. Step 6: Final answer
    x = 6,364.81

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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.