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Finding the Fourth Proportional to 11,895.30, 17,832.92 and 7,503.08

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Solution

The fourth proportional to 11,895.30, 17,832.92 and 7,503.08 is: 11,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.30 : 17,832.92 = 7,503.08 : x
  2. Step 2: Convert to fraction form
    11,895.30/17,832.92 = 7,503.08/x
  3. Step 3: Cross multiply
    11,895.30x = 17,832.92 × 7,503.08
  4. Step 4: Simplify right side
    11,895.30x = 133,801,698.71
  5. Step 5: Solve for x
    x = 133,801,698.71/11,895.30
  6. Step 6: Final answer
    x = 11,248.28

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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.