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Finding the Fourth Proportional to 11,702.99, 17,538.95 and 5,122.01

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Solution

The fourth proportional to 11,702.99, 17,538.95 and 5,122.01 is: 7,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702.99 : 17,538.95 = 5,122.01 : x
  2. Step 2: Convert to fraction form
    11,702.99/17,538.95 = 5,122.01/x
  3. Step 3: Cross multiply
    11,702.99x = 17,538.95 × 5,122.01
  4. Step 4: Simplify right side
    11,702.99x = 89,834,563.98
  5. Step 5: Solve for x
    x = 89,834,563.98/11,702.99
  6. Step 6: Final answer
    x = 7,676.21

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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.