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Finding the Fourth Proportional to 8,342.91, 12,503.97 and 7,300.44

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Solution

The fourth proportional to 8,342.91, 12,503.97 and 7,300.44 is: 10,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.91 : 12,503.97 = 7,300.44 : x
  2. Step 2: Convert to fraction form
    8,342.91/12,503.97 = 7,300.44/x
  3. Step 3: Cross multiply
    8,342.91x = 12,503.97 × 7,300.44
  4. Step 4: Simplify right side
    8,342.91x = 91,284,482.75
  5. Step 5: Solve for x
    x = 91,284,482.75/8,342.91
  6. Step 6: Final answer
    x = 10,941.56

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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.