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Finding the Fourth Proportional to 7,224.16, 9,968.36 and 4,037.08

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Solution

The fourth proportional to 7,224.16, 9,968.36 and 4,037.08 is: 5,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.16 : 9,968.36 = 4,037.08 : x
  2. Step 2: Convert to fraction form
    7,224.16/9,968.36 = 4,037.08/x
  3. Step 3: Cross multiply
    7,224.16x = 9,968.36 × 4,037.08
  4. Step 4: Simplify right side
    7,224.16x = 40,243,066.79
  5. Step 5: Solve for x
    x = 40,243,066.79/7,224.16
  6. Step 6: Final answer
    x = 5,570.62

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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.