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Finding the Fourth Proportional to 17,043.21, 23,526.05 and 9,971.91

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Solution

The fourth proportional to 17,043.21, 23,526.05 and 9,971.91 is: 13,764.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,043.21 : 23,526.05 = 9,971.91 : x
  2. Step 2: Convert to fraction form
    17,043.21/23,526.05 = 9,971.91/x
  3. Step 3: Cross multiply
    17,043.21x = 23,526.05 × 9,971.91
  4. Step 4: Simplify right side
    17,043.21x = 234,599,603.40
  5. Step 5: Solve for x
    x = 234,599,603.40/17,043.21
  6. Step 6: Final answer
    x = 13,764.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.