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Finding the Fourth Proportional to 9,008.36, 13,508.38 and 7,056.36

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Solution

The fourth proportional to 9,008.36, 13,508.38 and 7,056.36 is: 10,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.36 : 13,508.38 = 7,056.36 : x
  2. Step 2: Convert to fraction form
    9,008.36/13,508.38 = 7,056.36/x
  3. Step 3: Cross multiply
    9,008.36x = 13,508.38 × 7,056.36
  4. Step 4: Simplify right side
    9,008.36x = 95,319,992.30
  5. Step 5: Solve for x
    x = 95,319,992.30/9,008.36
  6. Step 6: Final answer
    x = 10,581.28

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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.