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Finding the Fourth Proportional to 8,808.86, 13,210.52 and 2,884.38

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Solution

The fourth proportional to 8,808.86, 13,210.52 and 2,884.38 is: 4,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.86 : 13,210.52 = 2,884.38 : x
  2. Step 2: Convert to fraction form
    8,808.86/13,210.52 = 2,884.38/x
  3. Step 3: Cross multiply
    8,808.86x = 13,210.52 × 2,884.38
  4. Step 4: Simplify right side
    8,808.86x = 38,104,145.26
  5. Step 5: Solve for x
    x = 38,104,145.26/8,808.86
  6. Step 6: Final answer
    x = 4,325.66

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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.