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Finding the Fourth Proportional to 8,859.01, 12,224.99 and 4,880.04

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Solution

The fourth proportional to 8,859.01, 12,224.99 and 4,880.04 is: 6,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.01 : 12,224.99 = 4,880.04 : x
  2. Step 2: Convert to fraction form
    8,859.01/12,224.99 = 4,880.04/x
  3. Step 3: Cross multiply
    8,859.01x = 12,224.99 × 4,880.04
  4. Step 4: Simplify right side
    8,859.01x = 59,658,415.80
  5. Step 5: Solve for x
    x = 59,658,415.80/8,859.01
  6. Step 6: Final answer
    x = 6,734.21

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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.