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Finding the Fourth Proportional to 6,124.78, 9,177.45 and 4,662.22

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Solution

The fourth proportional to 6,124.78, 9,177.45 and 4,662.22 is: 6,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.78 : 9,177.45 = 4,662.22 : x
  2. Step 2: Convert to fraction form
    6,124.78/9,177.45 = 4,662.22/x
  3. Step 3: Cross multiply
    6,124.78x = 9,177.45 × 4,662.22
  4. Step 4: Simplify right side
    6,124.78x = 42,787,290.94
  5. Step 5: Solve for x
    x = 42,787,290.94/6,124.78
  6. Step 6: Final answer
    x = 6,985.93

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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.