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Finding the Fourth Proportional to 58,442.65, 80,650.89 and 34,570.94

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Solution

The fourth proportional to 58,442.65, 80,650.89 and 34,570.94 is: 47,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,442.65 : 80,650.89 = 34,570.94 : x
  2. Step 2: Convert to fraction form
    58,442.65/80,650.89 = 34,570.94/x
  3. Step 3: Cross multiply
    58,442.65x = 80,650.89 × 34,570.94
  4. Step 4: Simplify right side
    58,442.65x = 2,788,176,675.88
  5. Step 5: Solve for x
    x = 2,788,176,675.88/58,442.65
  6. Step 6: Final answer
    x = 47,707.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.