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Finding the Fourth Proportional to 15,031.94, 22,555.91 and 8,458.59

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Solution

The fourth proportional to 15,031.94, 22,555.91 and 8,458.59 is: 12,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,031.94 : 22,555.91 = 8,458.59 : x
  2. Step 2: Convert to fraction form
    15,031.94/22,555.91 = 8,458.59/x
  3. Step 3: Cross multiply
    15,031.94x = 22,555.91 × 8,458.59
  4. Step 4: Simplify right side
    15,031.94x = 190,791,194.77
  5. Step 5: Solve for x
    x = 190,791,194.77/15,031.94
  6. Step 6: Final answer
    x = 12,692.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.