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Finding the Fourth Proportional to 7,663.63, 11,495.95 and 2,983.33

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Solution

The fourth proportional to 7,663.63, 11,495.95 and 2,983.33 is: 4,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.63 : 11,495.95 = 2,983.33 : x
  2. Step 2: Convert to fraction form
    7,663.63/11,495.95 = 2,983.33/x
  3. Step 3: Cross multiply
    7,663.63x = 11,495.95 × 2,983.33
  4. Step 4: Simplify right side
    7,663.63x = 34,296,227.82
  5. Step 5: Solve for x
    x = 34,296,227.82/7,663.63
  6. Step 6: Final answer
    x = 4,475.20

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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.