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Finding the Fourth Proportional to 8,931.66, 12,326.46 and 4,954.08

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Solution

The fourth proportional to 8,931.66, 12,326.46 and 4,954.08 is: 6,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.66 : 12,326.46 = 4,954.08 : x
  2. Step 2: Convert to fraction form
    8,931.66/12,326.46 = 4,954.08/x
  3. Step 3: Cross multiply
    8,931.66x = 12,326.46 × 4,954.08
  4. Step 4: Simplify right side
    8,931.66x = 61,066,268.96
  5. Step 5: Solve for x
    x = 61,066,268.96/8,931.66
  6. Step 6: Final answer
    x = 6,837.06

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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.