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Finding the Fourth Proportional to 11,262.08, 16,871.16 and 7,354.64

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Solution

The fourth proportional to 11,262.08, 16,871.16 and 7,354.64 is: 11,017.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.08 : 16,871.16 = 7,354.64 : x
  2. Step 2: Convert to fraction form
    11,262.08/16,871.16 = 7,354.64/x
  3. Step 3: Cross multiply
    11,262.08x = 16,871.16 × 7,354.64
  4. Step 4: Simplify right side
    11,262.08x = 124,081,308.18
  5. Step 5: Solve for x
    x = 124,081,308.18/11,262.08
  6. Step 6: Final answer
    x = 11,017.62

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1.5x scale

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.