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Finding the Fourth Proportional to 16,530.08, 24,751.98 and 9,118.98

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Solution

The fourth proportional to 16,530.08, 24,751.98 and 9,118.98 is: 13,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,530.08 : 24,751.98 = 9,118.98 : x
  2. Step 2: Convert to fraction form
    16,530.08/24,751.98 = 9,118.98/x
  3. Step 3: Cross multiply
    16,530.08x = 24,751.98 × 9,118.98
  4. Step 4: Simplify right side
    16,530.08x = 225,712,810.58
  5. Step 5: Solve for x
    x = 225,712,810.58/16,530.08
  6. Step 6: Final answer
    x = 13,654.68

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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.