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Finding the Fourth Proportional to 6,656.88, 9,177.97 and 5,457.52

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Solution

The fourth proportional to 6,656.88, 9,177.97 and 5,457.52 is: 7,524.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.88 : 9,177.97 = 5,457.52 : x
  2. Step 2: Convert to fraction form
    6,656.88/9,177.97 = 5,457.52/x
  3. Step 3: Cross multiply
    6,656.88x = 9,177.97 × 5,457.52
  4. Step 4: Simplify right side
    6,656.88x = 50,088,927.55
  5. Step 5: Solve for x
    x = 50,088,927.55/6,656.88
  6. Step 6: Final answer
    x = 7,524.38

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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.