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Finding the Fourth Proportional to 6,224.79, 8,590.13 and 3,392.28

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Solution

The fourth proportional to 6,224.79, 8,590.13 and 3,392.28 is: 4,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,224.79 : 8,590.13 = 3,392.28 : x
  2. Step 2: Convert to fraction form
    6,224.79/8,590.13 = 3,392.28/x
  3. Step 3: Cross multiply
    6,224.79x = 8,590.13 × 3,392.28
  4. Step 4: Simplify right side
    6,224.79x = 29,140,109.24
  5. Step 5: Solve for x
    x = 29,140,109.24/6,224.79
  6. Step 6: Final answer
    x = 4,681.30

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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.