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Finding the Fourth Proportional to 5,653.69, 8,479.62 and 4,005.24

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Solution

The fourth proportional to 5,653.69, 8,479.62 and 4,005.24 is: 6,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.69 : 8,479.62 = 4,005.24 : x
  2. Step 2: Convert to fraction form
    5,653.69/8,479.62 = 4,005.24/x
  3. Step 3: Cross multiply
    5,653.69x = 8,479.62 × 4,005.24
  4. Step 4: Simplify right side
    5,653.69x = 33,962,881.41
  5. Step 5: Solve for x
    x = 33,962,881.41/5,653.69
  6. Step 6: Final answer
    x = 6,007.21

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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.