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Finding the Fourth Proportional to 6,755.61, 10,065.46 and 6,378.35

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Solution

The fourth proportional to 6,755.61, 10,065.46 and 6,378.35 is: 9,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755.61 : 10,065.46 = 6,378.35 : x
  2. Step 2: Convert to fraction form
    6,755.61/10,065.46 = 6,378.35/x
  3. Step 3: Cross multiply
    6,755.61x = 10,065.46 × 6,378.35
  4. Step 4: Simplify right side
    6,755.61x = 64,201,001.63
  5. Step 5: Solve for x
    x = 64,201,001.63/6,755.61
  6. Step 6: Final answer
    x = 9,503.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.