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Finding the Fourth Proportional to 9,664.59, 14,489.60 and 6,536.78

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Solution

The fourth proportional to 9,664.59, 14,489.60 and 6,536.78 is: 9,800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.59 : 14,489.60 = 6,536.78 : x
  2. Step 2: Convert to fraction form
    9,664.59/14,489.60 = 6,536.78/x
  3. Step 3: Cross multiply
    9,664.59x = 14,489.60 × 6,536.78
  4. Step 4: Simplify right side
    9,664.59x = 94,715,222.36
  5. Step 5: Solve for x
    x = 94,715,222.36/9,664.59
  6. Step 6: Final answer
    x = 9,800.23

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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.