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Finding the Fourth Proportional to 6,367.90, 9,505.31 and 5,898.91

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Solution

The fourth proportional to 6,367.90, 9,505.31 and 5,898.91 is: 8,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.90 : 9,505.31 = 5,898.91 : x
  2. Step 2: Convert to fraction form
    6,367.90/9,505.31 = 5,898.91/x
  3. Step 3: Cross multiply
    6,367.90x = 9,505.31 × 5,898.91
  4. Step 4: Simplify right side
    6,367.90x = 56,070,968.21
  5. Step 5: Solve for x
    x = 56,070,968.21/6,367.90
  6. Step 6: Final answer
    x = 8,805.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.