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Finding the Fourth Proportional to 8,907.44, 13,365.80 and 6,462.43

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Solution

The fourth proportional to 8,907.44, 13,365.80 and 6,462.43 is: 9,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.44 : 13,365.80 = 6,462.43 : x
  2. Step 2: Convert to fraction form
    8,907.44/13,365.80 = 6,462.43/x
  3. Step 3: Cross multiply
    8,907.44x = 13,365.80 × 6,462.43
  4. Step 4: Simplify right side
    8,907.44x = 86,375,505.40
  5. Step 5: Solve for x
    x = 86,375,505.40/8,907.44
  6. Step 6: Final answer
    x = 9,697.01

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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.