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Finding the Fourth Proportional to 58,459.83, 87,702.72 and 27,278.07

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Solution

The fourth proportional to 58,459.83, 87,702.72 and 27,278.07 is: 40,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,459.83 : 87,702.72 = 27,278.07 : x
  2. Step 2: Convert to fraction form
    58,459.83/87,702.72 = 27,278.07/x
  3. Step 3: Cross multiply
    58,459.83x = 87,702.72 × 27,278.07
  4. Step 4: Simplify right side
    58,459.83x = 2,392,360,935.35
  5. Step 5: Solve for x
    x = 2,392,360,935.35/58,459.83
  6. Step 6: Final answer
    x = 40,923.16

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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.