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Finding the Fourth Proportional to 14,000.70, 20,993.76 and 6,603.17

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Solution

The fourth proportional to 14,000.70, 20,993.76 and 6,603.17 is: 9,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.70 : 20,993.76 = 6,603.17 : x
  2. Step 2: Convert to fraction form
    14,000.70/20,993.76 = 6,603.17/x
  3. Step 3: Cross multiply
    14,000.70x = 20,993.76 × 6,603.17
  4. Step 4: Simplify right side
    14,000.70x = 138,625,402.20
  5. Step 5: Solve for x
    x = 138,625,402.20/14,000.70
  6. Step 6: Final answer
    x = 9,901.32

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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.