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Finding the Fourth Proportional to 8,568.02, 11,824.47 and 5,210.21

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Solution

The fourth proportional to 8,568.02, 11,824.47 and 5,210.21 is: 7,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.02 : 11,824.47 = 5,210.21 : x
  2. Step 2: Convert to fraction form
    8,568.02/11,824.47 = 5,210.21/x
  3. Step 3: Cross multiply
    8,568.02x = 11,824.47 × 5,210.21
  4. Step 4: Simplify right side
    8,568.02x = 61,607,912.72
  5. Step 5: Solve for x
    x = 61,607,912.72/8,568.02
  6. Step 6: Final answer
    x = 7,190.45

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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.