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Finding the Fourth Proportional to 5,566.71, 7,681.95 and 3,048.78

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Solution

The fourth proportional to 5,566.71, 7,681.95 and 3,048.78 is: 4,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,566.71 : 7,681.95 = 3,048.78 : x
  2. Step 2: Convert to fraction form
    5,566.71/7,681.95 = 3,048.78/x
  3. Step 3: Cross multiply
    5,566.71x = 7,681.95 × 3,048.78
  4. Step 4: Simplify right side
    5,566.71x = 23,420,575.52
  5. Step 5: Solve for x
    x = 23,420,575.52/5,566.71
  6. Step 6: Final answer
    x = 4,207.26

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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.