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Finding the Fourth Proportional to 7,260.93, 10,019.94 and 4,074.28

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Solution

The fourth proportional to 7,260.93, 10,019.94 and 4,074.28 is: 5,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.93 : 10,019.94 = 4,074.28 : x
  2. Step 2: Convert to fraction form
    7,260.93/10,019.94 = 4,074.28/x
  3. Step 3: Cross multiply
    7,260.93x = 10,019.94 × 4,074.28
  4. Step 4: Simplify right side
    7,260.93x = 40,824,041.14
  5. Step 5: Solve for x
    x = 40,824,041.14/7,260.93
  6. Step 6: Final answer
    x = 5,622.43

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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.