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Finding the Fourth Proportional to 12,069, 16,655.27 and 7,036.70

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Solution

The fourth proportional to 12,069, 16,655.27 and 7,036.70 is: 9,710.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069 : 16,655.27 = 7,036.70 : x
  2. Step 2: Convert to fraction form
    12,069/16,655.27 = 7,036.70/x
  3. Step 3: Cross multiply
    12,069x = 16,655.27 × 7,036.70
  4. Step 4: Simplify right side
    12,069x = 117,198,019.95
  5. Step 5: Solve for x
    x = 117,198,019.95/12,069
  6. Step 6: Final answer
    x = 9,710.67

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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.