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Finding the Fourth Proportional to 8,352.45, 12,531.29 and 5,024.34

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Solution

The fourth proportional to 8,352.45, 12,531.29 and 5,024.34 is: 7,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.45 : 12,531.29 = 5,024.34 : x
  2. Step 2: Convert to fraction form
    8,352.45/12,531.29 = 5,024.34/x
  3. Step 3: Cross multiply
    8,352.45x = 12,531.29 × 5,024.34
  4. Step 4: Simplify right side
    8,352.45x = 62,961,461.60
  5. Step 5: Solve for x
    x = 62,961,461.60/8,352.45
  6. Step 6: Final answer
    x = 7,538.08

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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.