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Finding the Fourth Proportional to 6,483.54, 8,940.60 and 4,356.76

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Solution

The fourth proportional to 6,483.54, 8,940.60 and 4,356.76 is: 6,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.54 : 8,940.60 = 4,356.76 : x
  2. Step 2: Convert to fraction form
    6,483.54/8,940.60 = 4,356.76/x
  3. Step 3: Cross multiply
    6,483.54x = 8,940.60 × 4,356.76
  4. Step 4: Simplify right side
    6,483.54x = 38,952,048.46
  5. Step 5: Solve for x
    x = 38,952,048.46/6,483.54
  6. Step 6: Final answer
    x = 6,007.84

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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.