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Finding the Fourth Proportional to 4,478.52, 6,710.35 and 2,743.50

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Solution

The fourth proportional to 4,478.52, 6,710.35 and 2,743.50 is: 4,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.52 : 6,710.35 = 2,743.50 : x
  2. Step 2: Convert to fraction form
    4,478.52/6,710.35 = 2,743.50/x
  3. Step 3: Cross multiply
    4,478.52x = 6,710.35 × 2,743.50
  4. Step 4: Simplify right side
    4,478.52x = 18,409,845.23
  5. Step 5: Solve for x
    x = 18,409,845.23/4,478.52
  6. Step 6: Final answer
    x = 4,110.70

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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.