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Finding the Fourth Proportional to 47,873.60, 66,064.64 and 26,653.28

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Solution

The fourth proportional to 47,873.60, 66,064.64 and 26,653.28 is: 36,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,873.60 : 66,064.64 = 26,653.28 : x
  2. Step 2: Convert to fraction form
    47,873.60/66,064.64 = 26,653.28/x
  3. Step 3: Cross multiply
    47,873.60x = 66,064.64 × 26,653.28
  4. Step 4: Simplify right side
    47,873.60x = 1,760,839,348.02
  5. Step 5: Solve for x
    x = 1,760,839,348.02/47,873.60
  6. Step 6: Final answer
    x = 36,781.01

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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.