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Finding the Fourth Proportional to 5,670.36, 8,509.97 and 3,927.58

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Solution

The fourth proportional to 5,670.36, 8,509.97 and 3,927.58 is: 5,894.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.36 : 8,509.97 = 3,927.58 : x
  2. Step 2: Convert to fraction form
    5,670.36/8,509.97 = 3,927.58/x
  3. Step 3: Cross multiply
    5,670.36x = 8,509.97 × 3,927.58
  4. Step 4: Simplify right side
    5,670.36x = 33,423,587.97
  5. Step 5: Solve for x
    x = 33,423,587.97/5,670.36
  6. Step 6: Final answer
    x = 5,894.44

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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.