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Finding the Fourth Proportional to 8,769.93, 13,092.47 and 8,462.40

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Solution

The fourth proportional to 8,769.93, 13,092.47 and 8,462.40 is: 12,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.93 : 13,092.47 = 8,462.40 : x
  2. Step 2: Convert to fraction form
    8,769.93/13,092.47 = 8,462.40/x
  3. Step 3: Cross multiply
    8,769.93x = 13,092.47 × 8,462.40
  4. Step 4: Simplify right side
    8,769.93x = 110,793,718.13
  5. Step 5: Solve for x
    x = 110,793,718.13/8,769.93
  6. Step 6: Final answer
    x = 12,633.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.