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Finding the Fourth Proportional to 17,989.61, 26,968.07 and 6,296.45

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Solution

The fourth proportional to 17,989.61, 26,968.07 and 6,296.45 is: 9,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.61 : 26,968.07 = 6,296.45 : x
  2. Step 2: Convert to fraction form
    17,989.61/26,968.07 = 6,296.45/x
  3. Step 3: Cross multiply
    17,989.61x = 26,968.07 × 6,296.45
  4. Step 4: Simplify right side
    17,989.61x = 169,802,985.25
  5. Step 5: Solve for x
    x = 169,802,985.25/17,989.61
  6. Step 6: Final answer
    x = 9,438.95

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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.