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Finding the Fourth Proportional to 5,622.02, 7,754.22 and 4,984.71

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Solution

The fourth proportional to 5,622.02, 7,754.22 and 4,984.71 is: 6,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.02 : 7,754.22 = 4,984.71 : x
  2. Step 2: Convert to fraction form
    5,622.02/7,754.22 = 4,984.71/x
  3. Step 3: Cross multiply
    5,622.02x = 7,754.22 × 4,984.71
  4. Step 4: Simplify right side
    5,622.02x = 38,652,537.98
  5. Step 5: Solve for x
    x = 38,652,537.98/5,622.02
  6. Step 6: Final answer
    x = 6,875.20

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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.