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Finding the Fourth Proportional to 7,663.06, 11,483.95 and 3,492.87

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Solution

The fourth proportional to 7,663.06, 11,483.95 and 3,492.87 is: 5,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.06 : 11,483.95 = 3,492.87 : x
  2. Step 2: Convert to fraction form
    7,663.06/11,483.95 = 3,492.87/x
  3. Step 3: Cross multiply
    7,663.06x = 11,483.95 × 3,492.87
  4. Step 4: Simplify right side
    7,663.06x = 40,111,944.44
  5. Step 5: Solve for x
    x = 40,111,944.44/7,663.06
  6. Step 6: Final answer
    x = 5,234.46

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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.