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Finding the Fourth Proportional to 6,483.18, 8,947.58 and 4,245.60

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Solution

The fourth proportional to 6,483.18, 8,947.58 and 4,245.60 is: 5,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.18 : 8,947.58 = 4,245.60 : x
  2. Step 2: Convert to fraction form
    6,483.18/8,947.58 = 4,245.60/x
  3. Step 3: Cross multiply
    6,483.18x = 8,947.58 × 4,245.60
  4. Step 4: Simplify right side
    6,483.18x = 37,987,845.65
  5. Step 5: Solve for x
    x = 37,987,845.65/6,483.18
  6. Step 6: Final answer
    x = 5,859.45

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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.