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Finding the Fourth Proportional to 3,501.45, 5,317.02 and 3,501.45

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Solution

The fourth proportional to 3,501.45, 5,317.02 and 3,501.45 is: 5,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.45 : 5,317.02 = 3,501.45 : x
  2. Step 2: Convert to fraction form
    3,501.45/5,317.02 = 3,501.45/x
  3. Step 3: Cross multiply
    3,501.45x = 5,317.02 × 3,501.45
  4. Step 4: Simplify right side
    3,501.45x = 18,617,279.68
  5. Step 5: Solve for x
    x = 18,617,279.68/3,501.45
  6. Step 6: Final answer
    x = 5,317.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.