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Finding the Fourth Proportional to 4,957.88, 7,448.44 and 4,677.68

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Solution

The fourth proportional to 4,957.88, 7,448.44 and 4,677.68 is: 7,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.88 : 7,448.44 = 4,677.68 : x
  2. Step 2: Convert to fraction form
    4,957.88/7,448.44 = 4,677.68/x
  3. Step 3: Cross multiply
    4,957.88x = 7,448.44 × 4,677.68
  4. Step 4: Simplify right side
    4,957.88x = 34,841,418.82
  5. Step 5: Solve for x
    x = 34,841,418.82/4,957.88
  6. Step 6: Final answer
    x = 7,027.48

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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.