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Finding the Fourth Proportional to 8,577.66, 11,837.03 and 4,993.32

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Solution

The fourth proportional to 8,577.66, 11,837.03 and 4,993.32 is: 6,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.66 : 11,837.03 = 4,993.32 : x
  2. Step 2: Convert to fraction form
    8,577.66/11,837.03 = 4,993.32/x
  3. Step 3: Cross multiply
    8,577.66x = 11,837.03 × 4,993.32
  4. Step 4: Simplify right side
    8,577.66x = 59,106,078.64
  5. Step 5: Solve for x
    x = 59,106,078.64/8,577.66
  6. Step 6: Final answer
    x = 6,890.70

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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.