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Finding the Fourth Proportional to 71,663.10, 107,466.99 and 23,620.17

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Solution

The fourth proportional to 71,663.10, 107,466.99 and 23,620.17 is: 35,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,663.10 : 107,466.99 = 23,620.17 : x
  2. Step 2: Convert to fraction form
    71,663.10/107,466.99 = 23,620.17/x
  3. Step 3: Cross multiply
    71,663.10x = 107,466.99 × 23,620.17
  4. Step 4: Simplify right side
    71,663.10x = 2,538,388,573.19
  5. Step 5: Solve for x
    x = 2,538,388,573.19/71,663.10
  6. Step 6: Final answer
    x = 35,421.14

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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.