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Finding the Fourth Proportional to 9,341.70, 12,891.36 and 5,092.77

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Solution

The fourth proportional to 9,341.70, 12,891.36 and 5,092.77 is: 7,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341.70 : 12,891.36 = 5,092.77 : x
  2. Step 2: Convert to fraction form
    9,341.70/12,891.36 = 5,092.77/x
  3. Step 3: Cross multiply
    9,341.70x = 12,891.36 × 5,092.77
  4. Step 4: Simplify right side
    9,341.70x = 65,652,731.47
  5. Step 5: Solve for x
    x = 65,652,731.47/9,341.70
  6. Step 6: Final answer
    x = 7,027.92

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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.