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Finding the Fourth Proportional to 6,333.55, 9,495.20 and 2,638.55

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Solution

The fourth proportional to 6,333.55, 9,495.20 and 2,638.55 is: 3,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,333.55 : 9,495.20 = 2,638.55 : x
  2. Step 2: Convert to fraction form
    6,333.55/9,495.20 = 2,638.55/x
  3. Step 3: Cross multiply
    6,333.55x = 9,495.20 × 2,638.55
  4. Step 4: Simplify right side
    6,333.55x = 25,053,570.51
  5. Step 5: Solve for x
    x = 25,053,570.51/6,333.55
  6. Step 6: Final answer
    x = 3,955.69

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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.