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Finding the Fourth Proportional to 7,663.60, 11,484.60 and 5,673.70

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Solution

The fourth proportional to 7,663.60, 11,484.60 and 5,673.70 is: 8,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.60 : 11,484.60 = 5,673.70 : x
  2. Step 2: Convert to fraction form
    7,663.60/11,484.60 = 5,673.70/x
  3. Step 3: Cross multiply
    7,663.60x = 11,484.60 × 5,673.70
  4. Step 4: Simplify right side
    7,663.60x = 65,160,175.02
  5. Step 5: Solve for x
    x = 65,160,175.02/7,663.60
  6. Step 6: Final answer
    x = 8,502.55

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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.