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Finding the Fourth Proportional to 7,455.44, 10,300.16 and 6,348.18

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Solution

The fourth proportional to 7,455.44, 10,300.16 and 6,348.18 is: 8,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.44 : 10,300.16 = 6,348.18 : x
  2. Step 2: Convert to fraction form
    7,455.44/10,300.16 = 6,348.18/x
  3. Step 3: Cross multiply
    7,455.44x = 10,300.16 × 6,348.18
  4. Step 4: Simplify right side
    7,455.44x = 65,387,269.71
  5. Step 5: Solve for x
    x = 65,387,269.71/7,455.44
  6. Step 6: Final answer
    x = 8,770.41

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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.