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Finding the Fourth Proportional to 58,866.86, 88,347.64 and 27,312.06

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Solution

The fourth proportional to 58,866.86, 88,347.64 and 27,312.06 is: 40,990.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,866.86 : 88,347.64 = 27,312.06 : x
  2. Step 2: Convert to fraction form
    58,866.86/88,347.64 = 27,312.06/x
  3. Step 3: Cross multiply
    58,866.86x = 88,347.64 × 27,312.06
  4. Step 4: Simplify right side
    58,866.86x = 2,412,956,044.54
  5. Step 5: Solve for x
    x = 2,412,956,044.54/58,866.86
  6. Step 6: Final answer
    x = 40,990.06

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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.