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Finding the Fourth Proportional to 58,501.74, 87,761.97 and 19,055.82

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Solution

The fourth proportional to 58,501.74, 87,761.97 and 19,055.82 is: 28,586.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,501.74 : 87,761.97 = 19,055.82 : x
  2. Step 2: Convert to fraction form
    58,501.74/87,761.97 = 19,055.82/x
  3. Step 3: Cross multiply
    58,501.74x = 87,761.97 × 19,055.82
  4. Step 4: Simplify right side
    58,501.74x = 1,672,376,303.17
  5. Step 5: Solve for x
    x = 1,672,376,303.17/58,501.74
  6. Step 6: Final answer
    x = 28,586.78

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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.