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Finding the Fourth Proportional to 8,615.93, 12,923.88 and 5,693.54

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Solution

The fourth proportional to 8,615.93, 12,923.88 and 5,693.54 is: 8,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615.93 : 12,923.88 = 5,693.54 : x
  2. Step 2: Convert to fraction form
    8,615.93/12,923.88 = 5,693.54/x
  3. Step 3: Cross multiply
    8,615.93x = 12,923.88 × 5,693.54
  4. Step 4: Simplify right side
    8,615.93x = 73,582,563.12
  5. Step 5: Solve for x
    x = 73,582,563.12/8,615.93
  6. Step 6: Final answer
    x = 8,540.30

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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.