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Finding the Fourth Proportional to 5,663.67, 8,495.55 and 1,768.20

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Solution

The fourth proportional to 5,663.67, 8,495.55 and 1,768.20 is: 2,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.67 : 8,495.55 = 1,768.20 : x
  2. Step 2: Convert to fraction form
    5,663.67/8,495.55 = 1,768.20/x
  3. Step 3: Cross multiply
    5,663.67x = 8,495.55 × 1,768.20
  4. Step 4: Simplify right side
    5,663.67x = 15,021,831.51
  5. Step 5: Solve for x
    x = 15,021,831.51/5,663.67
  6. Step 6: Final answer
    x = 2,652.31

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Double scale
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Similar ratio
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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.