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Finding the Fourth Proportional to 8,867.30, 13,300.94 and 3,602.42

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Solution

The fourth proportional to 8,867.30, 13,300.94 and 3,602.42 is: 5,403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.30 : 13,300.94 = 3,602.42 : x
  2. Step 2: Convert to fraction form
    8,867.30/13,300.94 = 3,602.42/x
  3. Step 3: Cross multiply
    8,867.30x = 13,300.94 × 3,602.42
  4. Step 4: Simplify right side
    8,867.30x = 47,915,572.27
  5. Step 5: Solve for x
    x = 47,915,572.27/8,867.30
  6. Step 6: Final answer
    x = 5,403.63

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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.