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Finding the Fourth Proportional to 16,530.72, 24,798.96 and 8,746.08

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Solution

The fourth proportional to 16,530.72, 24,798.96 and 8,746.08 is: 13,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,530.72 : 24,798.96 = 8,746.08 : x
  2. Step 2: Convert to fraction form
    16,530.72/24,798.96 = 8,746.08/x
  3. Step 3: Cross multiply
    16,530.72x = 24,798.96 × 8,746.08
  4. Step 4: Simplify right side
    16,530.72x = 216,893,688.08
  5. Step 5: Solve for x
    x = 216,893,688.08/16,530.72
  6. Step 6: Final answer
    x = 13,120.64

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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.