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Finding the Fourth Proportional to 8,774.66, 13,154.10 and 3,224.24

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Solution

The fourth proportional to 8,774.66, 13,154.10 and 3,224.24 is: 4,833.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.66 : 13,154.10 = 3,224.24 : x
  2. Step 2: Convert to fraction form
    8,774.66/13,154.10 = 3,224.24/x
  3. Step 3: Cross multiply
    8,774.66x = 13,154.10 × 3,224.24
  4. Step 4: Simplify right side
    8,774.66x = 42,411,946.85
  5. Step 5: Solve for x
    x = 42,411,946.85/8,774.66
  6. Step 6: Final answer
    x = 4,833.46

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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.