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Finding the Fourth Proportional to 5,798.98, 8,697.45 and 2,678.72

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Solution

The fourth proportional to 5,798.98, 8,697.45 and 2,678.72 is: 4,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798.98 : 8,697.45 = 2,678.72 : x
  2. Step 2: Convert to fraction form
    5,798.98/8,697.45 = 2,678.72/x
  3. Step 3: Cross multiply
    5,798.98x = 8,697.45 × 2,678.72
  4. Step 4: Simplify right side
    5,798.98x = 23,298,033.26
  5. Step 5: Solve for x
    x = 23,298,033.26/5,798.98
  6. Step 6: Final answer
    x = 4,017.61

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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.