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Finding the Fourth Proportional to 58,409.74, 87,621.90 and 22,866.47

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Solution

The fourth proportional to 58,409.74, 87,621.90 and 22,866.47 is: 34,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,409.74 : 87,621.90 = 22,866.47 : x
  2. Step 2: Convert to fraction form
    58,409.74/87,621.90 = 22,866.47/x
  3. Step 3: Cross multiply
    58,409.74x = 87,621.90 × 22,866.47
  4. Step 4: Simplify right side
    58,409.74x = 2,003,603,271.47
  5. Step 5: Solve for x
    x = 2,003,603,271.47/58,409.74
  6. Step 6: Final answer
    x = 34,302.55

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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.