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Finding the Fourth Proportional to 5,495.85, 7,584.71 and 3,400.65

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Solution

The fourth proportional to 5,495.85, 7,584.71 and 3,400.65 is: 4,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.85 : 7,584.71 = 3,400.65 : x
  2. Step 2: Convert to fraction form
    5,495.85/7,584.71 = 3,400.65/x
  3. Step 3: Cross multiply
    5,495.85x = 7,584.71 × 3,400.65
  4. Step 4: Simplify right side
    5,495.85x = 25,792,927.06
  5. Step 5: Solve for x
    x = 25,792,927.06/5,495.85
  6. Step 6: Final answer
    x = 4,693.16

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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.