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Finding the Fourth Proportional to 8,348.94, 12,523.41 and 3,417.48

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Solution

The fourth proportional to 8,348.94, 12,523.41 and 3,417.48 is: 5,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.94 : 12,523.41 = 3,417.48 : x
  2. Step 2: Convert to fraction form
    8,348.94/12,523.41 = 3,417.48/x
  3. Step 3: Cross multiply
    8,348.94x = 12,523.41 × 3,417.48
  4. Step 4: Simplify right side
    8,348.94x = 42,798,503.21
  5. Step 5: Solve for x
    x = 42,798,503.21/8,348.94
  6. Step 6: Final answer
    x = 5,126.22

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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.