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Finding the Fourth Proportional to 8,648.03, 11,932.08 and 5,289.62

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Solution

The fourth proportional to 8,648.03, 11,932.08 and 5,289.62 is: 7,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.03 : 11,932.08 = 5,289.62 : x
  2. Step 2: Convert to fraction form
    8,648.03/11,932.08 = 5,289.62/x
  3. Step 3: Cross multiply
    8,648.03x = 11,932.08 × 5,289.62
  4. Step 4: Simplify right side
    8,648.03x = 63,116,117.45
  5. Step 5: Solve for x
    x = 63,116,117.45/8,648.03
  6. Step 6: Final answer
    x = 7,298.32

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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.