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Finding the Fourth Proportional to 5,224.47, 7,209.03 and 2,985.99

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Solution

The fourth proportional to 5,224.47, 7,209.03 and 2,985.99 is: 4,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.47 : 7,209.03 = 2,985.99 : x
  2. Step 2: Convert to fraction form
    5,224.47/7,209.03 = 2,985.99/x
  3. Step 3: Cross multiply
    5,224.47x = 7,209.03 × 2,985.99
  4. Step 4: Simplify right side
    5,224.47x = 21,526,091.49
  5. Step 5: Solve for x
    x = 21,526,091.49/5,224.47
  6. Step 6: Final answer
    x = 4,120.24

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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.