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Finding the Fourth Proportional to 4,985.94, 7,470.38 and 3,522.26

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Solution

The fourth proportional to 4,985.94, 7,470.38 and 3,522.26 is: 5,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.94 : 7,470.38 = 3,522.26 : x
  2. Step 2: Convert to fraction form
    4,985.94/7,470.38 = 3,522.26/x
  3. Step 3: Cross multiply
    4,985.94x = 7,470.38 × 3,522.26
  4. Step 4: Simplify right side
    4,985.94x = 26,312,620.66
  5. Step 5: Solve for x
    x = 26,312,620.66/4,985.94
  6. Step 6: Final answer
    x = 5,277.36

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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.