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Finding the Fourth Proportional to 12,562.52, 18,852.40 and 4,354.52

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Solution

The fourth proportional to 12,562.52, 18,852.40 and 4,354.52 is: 6,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.52 : 18,852.40 = 4,354.52 : x
  2. Step 2: Convert to fraction form
    12,562.52/18,852.40 = 4,354.52/x
  3. Step 3: Cross multiply
    12,562.52x = 18,852.40 × 4,354.52
  4. Step 4: Simplify right side
    12,562.52x = 82,093,152.85
  5. Step 5: Solve for x
    x = 82,093,152.85/12,562.52
  6. Step 6: Final answer
    x = 6,534.77

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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.