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Finding the Fourth Proportional to 6,656.40, 9,188.52 and 4,865.52

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Solution

The fourth proportional to 6,656.40, 9,188.52 and 4,865.52 is: 6,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.40 : 9,188.52 = 4,865.52 : x
  2. Step 2: Convert to fraction form
    6,656.40/9,188.52 = 4,865.52/x
  3. Step 3: Cross multiply
    6,656.40x = 9,188.52 × 4,865.52
  4. Step 4: Simplify right side
    6,656.40x = 44,706,927.83
  5. Step 5: Solve for x
    x = 44,706,927.83/6,656.40
  6. Step 6: Final answer
    x = 6,716.38

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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.