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Finding the Fourth Proportional to 5,636.96, 7,766.88 and 4,062.32

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Solution

The fourth proportional to 5,636.96, 7,766.88 and 4,062.32 is: 5,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.96 : 7,766.88 = 4,062.32 : x
  2. Step 2: Convert to fraction form
    5,636.96/7,766.88 = 4,062.32/x
  3. Step 3: Cross multiply
    5,636.96x = 7,766.88 × 4,062.32
  4. Step 4: Simplify right side
    5,636.96x = 31,551,551.96
  5. Step 5: Solve for x
    x = 31,551,551.96/5,636.96
  6. Step 6: Final answer
    x = 5,597.26

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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.