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Finding the Fourth Proportional to 11,563.08, 15,957.18 and 6,784.08

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Solution

The fourth proportional to 11,563.08, 15,957.18 and 6,784.08 is: 9,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.08 : 15,957.18 = 6,784.08 : x
  2. Step 2: Convert to fraction form
    11,563.08/15,957.18 = 6,784.08/x
  3. Step 3: Cross multiply
    11,563.08x = 15,957.18 × 6,784.08
  4. Step 4: Simplify right side
    11,563.08x = 108,254,785.69
  5. Step 5: Solve for x
    x = 108,254,785.69/11,563.08
  6. Step 6: Final answer
    x = 9,362.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.