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Finding the Fourth Proportional to 7,699.71, 11,550.06 and 3,256.55

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Solution

The fourth proportional to 7,699.71, 11,550.06 and 3,256.55 is: 4,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.71 : 11,550.06 = 3,256.55 : x
  2. Step 2: Convert to fraction form
    7,699.71/11,550.06 = 3,256.55/x
  3. Step 3: Cross multiply
    7,699.71x = 11,550.06 × 3,256.55
  4. Step 4: Simplify right side
    7,699.71x = 37,613,333.46
  5. Step 5: Solve for x
    x = 37,613,333.46/7,699.71
  6. Step 6: Final answer
    x = 4,885.03

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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.