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Finding the Fourth Proportional to 58,794.64, 81,132.42 and 33,303.58

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Solution

The fourth proportional to 58,794.64, 81,132.42 and 33,303.58 is: 45,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,794.64 : 81,132.42 = 33,303.58 : x
  2. Step 2: Convert to fraction form
    58,794.64/81,132.42 = 33,303.58/x
  3. Step 3: Cross multiply
    58,794.64x = 81,132.42 × 33,303.58
  4. Step 4: Simplify right side
    58,794.64x = 2,702,000,040.06
  5. Step 5: Solve for x
    x = 2,702,000,040.06/58,794.64
  6. Step 6: Final answer
    x = 45,956.57

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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.