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Finding the Fourth Proportional to 8,406.73, 11,597.80 and 5,003.05

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Solution

The fourth proportional to 8,406.73, 11,597.80 and 5,003.05 is: 6,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.73 : 11,597.80 = 5,003.05 : x
  2. Step 2: Convert to fraction form
    8,406.73/11,597.80 = 5,003.05/x
  3. Step 3: Cross multiply
    8,406.73x = 11,597.80 × 5,003.05
  4. Step 4: Simplify right side
    8,406.73x = 58,024,373.29
  5. Step 5: Solve for x
    x = 58,024,373.29/8,406.73
  6. Step 6: Final answer
    x = 6,902.13

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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.