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Finding the Fourth Proportional to 58,054.35, 80,115.86 and 33,854.64

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Solution

The fourth proportional to 58,054.35, 80,115.86 and 33,854.64 is: 46,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,054.35 : 80,115.86 = 33,854.64 : x
  2. Step 2: Convert to fraction form
    58,054.35/80,115.86 = 33,854.64/x
  3. Step 3: Cross multiply
    58,054.35x = 80,115.86 × 33,854.64
  4. Step 4: Simplify right side
    58,054.35x = 2,712,293,598.59
  5. Step 5: Solve for x
    x = 2,712,293,598.59/58,054.35
  6. Step 6: Final answer
    x = 46,719.90

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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.