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Finding the Fourth Proportional to 6,397.10, 8,827.99 and 3,602.62

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Solution

The fourth proportional to 6,397.10, 8,827.99 and 3,602.62 is: 4,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,397.10 : 8,827.99 = 3,602.62 : x
  2. Step 2: Convert to fraction form
    6,397.10/8,827.99 = 3,602.62/x
  3. Step 3: Cross multiply
    6,397.10x = 8,827.99 × 3,602.62
  4. Step 4: Simplify right side
    6,397.10x = 31,803,893.33
  5. Step 5: Solve for x
    x = 31,803,893.33/6,397.10
  6. Step 6: Final answer
    x = 4,971.61

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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.