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Finding the Fourth Proportional to 8,492.04, 11,698.09 and 7,229.05

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Solution

The fourth proportional to 8,492.04, 11,698.09 and 7,229.05 is: 9,958.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.04 : 11,698.09 = 7,229.05 : x
  2. Step 2: Convert to fraction form
    8,492.04/11,698.09 = 7,229.05/x
  3. Step 3: Cross multiply
    8,492.04x = 11,698.09 × 7,229.05
  4. Step 4: Simplify right side
    8,492.04x = 84,566,030.20
  5. Step 5: Solve for x
    x = 84,566,030.20/8,492.04
  6. Step 6: Final answer
    x = 9,958.27

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1.5x scale

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.