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Finding the Fourth Proportional to 58,459.82, 87,702.72 and 27,278.06

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Solution

The fourth proportional to 58,459.82, 87,702.72 and 27,278.06 is: 40,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,459.82 : 87,702.72 = 27,278.06 : x
  2. Step 2: Convert to fraction form
    58,459.82/87,702.72 = 27,278.06/x
  3. Step 3: Cross multiply
    58,459.82x = 87,702.72 × 27,278.06
  4. Step 4: Simplify right side
    58,459.82x = 2,392,360,058.32
  5. Step 5: Solve for x
    x = 2,392,360,058.32/58,459.82
  6. Step 6: Final answer
    x = 40,923.15

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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.