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Finding the Fourth Proportional to 5,930.78, 8,889.84 and 4,465.40

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Solution

The fourth proportional to 5,930.78, 8,889.84 and 4,465.40 is: 6,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.78 : 8,889.84 = 4,465.40 : x
  2. Step 2: Convert to fraction form
    5,930.78/8,889.84 = 4,465.40/x
  3. Step 3: Cross multiply
    5,930.78x = 8,889.84 × 4,465.40
  4. Step 4: Simplify right side
    5,930.78x = 39,696,691.54
  5. Step 5: Solve for x
    x = 39,696,691.54/5,930.78
  6. Step 6: Final answer
    x = 6,693.33

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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.