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Finding the Fourth Proportional to 48,506.11, 66,917.73 and 27,798.64

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Solution

The fourth proportional to 48,506.11, 66,917.73 and 27,798.64 is: 38,350.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,506.11 : 66,917.73 = 27,798.64 : x
  2. Step 2: Convert to fraction form
    48,506.11/66,917.73 = 27,798.64/x
  3. Step 3: Cross multiply
    48,506.11x = 66,917.73 × 27,798.64
  4. Step 4: Simplify right side
    48,506.11x = 1,860,221,885.89
  5. Step 5: Solve for x
    x = 1,860,221,885.89/48,506.11
  6. Step 6: Final answer
    x = 38,350.26

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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.