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Finding the Fourth Proportional to 6,348.70, 8,768.50 and 4,853.28

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Solution

The fourth proportional to 6,348.70, 8,768.50 and 4,853.28 is: 6,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348.70 : 8,768.50 = 4,853.28 : x
  2. Step 2: Convert to fraction form
    6,348.70/8,768.50 = 4,853.28/x
  3. Step 3: Cross multiply
    6,348.70x = 8,768.50 × 4,853.28
  4. Step 4: Simplify right side
    6,348.70x = 42,555,985.68
  5. Step 5: Solve for x
    x = 42,555,985.68/6,348.70
  6. Step 6: Final answer
    x = 6,703.10

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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.