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Finding the Fourth Proportional to 5,044.56, 7,554 and 4,220.76

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Solution

The fourth proportional to 5,044.56, 7,554 and 4,220.76 is: 6,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,044.56 : 7,554 = 4,220.76 : x
  2. Step 2: Convert to fraction form
    5,044.56/7,554 = 4,220.76/x
  3. Step 3: Cross multiply
    5,044.56x = 7,554 × 4,220.76
  4. Step 4: Simplify right side
    5,044.56x = 31,883,621.04
  5. Step 5: Solve for x
    x = 31,883,621.04/5,044.56
  6. Step 6: Final answer
    x = 6,320.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.