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Finding the Fourth Proportional to 6,487.75, 8,953.10 and 3,693.25

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Solution

The fourth proportional to 6,487.75, 8,953.10 and 3,693.25 is: 5,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.75 : 8,953.10 = 3,693.25 : x
  2. Step 2: Convert to fraction form
    6,487.75/8,953.10 = 3,693.25/x
  3. Step 3: Cross multiply
    6,487.75x = 8,953.10 × 3,693.25
  4. Step 4: Simplify right side
    6,487.75x = 33,066,036.58
  5. Step 5: Solve for x
    x = 33,066,036.58/6,487.75
  6. Step 6: Final answer
    x = 5,096.69

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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.