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Finding the Fourth Proportional to 8,375.48, 12,563.46 and 4,675.64

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Solution

The fourth proportional to 8,375.48, 12,563.46 and 4,675.64 is: 7,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.48 : 12,563.46 = 4,675.64 : x
  2. Step 2: Convert to fraction form
    8,375.48/12,563.46 = 4,675.64/x
  3. Step 3: Cross multiply
    8,375.48x = 12,563.46 × 4,675.64
  4. Step 4: Simplify right side
    8,375.48x = 58,742,216.11
  5. Step 5: Solve for x
    x = 58,742,216.11/8,375.48
  6. Step 6: Final answer
    x = 7,013.59

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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.