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Finding the Fourth Proportional to 7,175.99, 9,893.34 and 4,933.91

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Solution

The fourth proportional to 7,175.99, 9,893.34 and 4,933.91 is: 6,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.99 : 9,893.34 = 4,933.91 : x
  2. Step 2: Convert to fraction form
    7,175.99/9,893.34 = 4,933.91/x
  3. Step 3: Cross multiply
    7,175.99x = 9,893.34 × 4,933.91
  4. Step 4: Simplify right side
    7,175.99x = 48,812,873.89
  5. Step 5: Solve for x
    x = 48,812,873.89/7,175.99
  6. Step 6: Final answer
    x = 6,802.25

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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.