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Finding the Fourth Proportional to 11,394.72, 17,063.04 and 9,645.12

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Solution

The fourth proportional to 11,394.72, 17,063.04 and 9,645.12 is: 14,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.72 : 17,063.04 = 9,645.12 : x
  2. Step 2: Convert to fraction form
    11,394.72/17,063.04 = 9,645.12/x
  3. Step 3: Cross multiply
    11,394.72x = 17,063.04 × 9,645.12
  4. Step 4: Simplify right side
    11,394.72x = 164,575,068.36
  5. Step 5: Solve for x
    x = 164,575,068.36/11,394.72
  6. Step 6: Final answer
    x = 14,443.10

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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.