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Finding the Fourth Proportional to 6,270.87, 8,654.07 and 3,752.50

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Solution

The fourth proportional to 6,270.87, 8,654.07 and 3,752.50 is: 5,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.87 : 8,654.07 = 3,752.50 : x
  2. Step 2: Convert to fraction form
    6,270.87/8,654.07 = 3,752.50/x
  3. Step 3: Cross multiply
    6,270.87x = 8,654.07 × 3,752.50
  4. Step 4: Simplify right side
    6,270.87x = 32,474,368.00
  5. Step 5: Solve for x
    x = 32,474,368.00/6,270.87
  6. Step 6: Final answer
    x = 5,178.60

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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.