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Finding the Fourth Proportional to 5,803.18, 8,693.08 and 2,678.86

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Solution

The fourth proportional to 5,803.18, 8,693.08 and 2,678.86 is: 4,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.18 : 8,693.08 = 2,678.86 : x
  2. Step 2: Convert to fraction form
    5,803.18/8,693.08 = 2,678.86/x
  3. Step 3: Cross multiply
    5,803.18x = 8,693.08 × 2,678.86
  4. Step 4: Simplify right side
    5,803.18x = 23,287,544.29
  5. Step 5: Solve for x
    x = 23,287,544.29/5,803.18
  6. Step 6: Final answer
    x = 4,012.89

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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.