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Finding the Fourth Proportional to 5,566.59, 7,680.63 and 3,328.09

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Solution

The fourth proportional to 5,566.59, 7,680.63 and 3,328.09 is: 4,592.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,566.59 : 7,680.63 = 3,328.09 : x
  2. Step 2: Convert to fraction form
    5,566.59/7,680.63 = 3,328.09/x
  3. Step 3: Cross multiply
    5,566.59x = 7,680.63 × 3,328.09
  4. Step 4: Simplify right side
    5,566.59x = 25,561,827.90
  5. Step 5: Solve for x
    x = 25,561,827.90/5,566.59
  6. Step 6: Final answer
    x = 4,592.01

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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.