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Finding the Fourth Proportional to 58,475.50, 87,678.12 and 26,845.98

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Solution

The fourth proportional to 58,475.50, 87,678.12 and 26,845.98 is: 40,252.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,475.50 : 87,678.12 = 26,845.98 : x
  2. Step 2: Convert to fraction form
    58,475.50/87,678.12 = 26,845.98/x
  3. Step 3: Cross multiply
    58,475.50x = 87,678.12 × 26,845.98
  4. Step 4: Simplify right side
    58,475.50x = 2,353,805,055.96
  5. Step 5: Solve for x
    x = 2,353,805,055.96/58,475.50
  6. Step 6: Final answer
    x = 40,252.84

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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.