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Finding the Fourth Proportional to 4,754.96, 6,561.48 and 2,658.80

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Solution

The fourth proportional to 4,754.96, 6,561.48 and 2,658.80 is: 3,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.96 : 6,561.48 = 2,658.80 : x
  2. Step 2: Convert to fraction form
    4,754.96/6,561.48 = 2,658.80/x
  3. Step 3: Cross multiply
    4,754.96x = 6,561.48 × 2,658.80
  4. Step 4: Simplify right side
    4,754.96x = 17,445,663.02
  5. Step 5: Solve for x
    x = 17,445,663.02/4,754.96
  6. Step 6: Final answer
    x = 3,668.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.