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Finding the Fourth Proportional to 58,844.64, 88,145.04 and 28,768.32

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Solution

The fourth proportional to 58,844.64, 88,145.04 and 28,768.32 is: 43,092.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,844.64 : 88,145.04 = 28,768.32 : x
  2. Step 2: Convert to fraction form
    58,844.64/88,145.04 = 28,768.32/x
  3. Step 3: Cross multiply
    58,844.64x = 88,145.04 × 28,768.32
  4. Step 4: Simplify right side
    58,844.64x = 2,535,784,717.13
  5. Step 5: Solve for x
    x = 2,535,784,717.13/58,844.64
  6. Step 6: Final answer
    x = 43,092.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.