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Finding the Fourth Proportional to 17,362.18, 26,008.44 and 7,989.14

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Solution

The fourth proportional to 17,362.18, 26,008.44 and 7,989.14 is: 11,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,362.18 : 26,008.44 = 7,989.14 : x
  2. Step 2: Convert to fraction form
    17,362.18/26,008.44 = 7,989.14/x
  3. Step 3: Cross multiply
    17,362.18x = 26,008.44 × 7,989.14
  4. Step 4: Simplify right side
    17,362.18x = 207,785,068.34
  5. Step 5: Solve for x
    x = 207,785,068.34/17,362.18
  6. Step 6: Final answer
    x = 11,967.68

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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.