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Finding the Fourth Proportional to 6,420.74, 9,625.44 and 6,033.56

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Solution

The fourth proportional to 6,420.74, 9,625.44 and 6,033.56 is: 9,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.74 : 9,625.44 = 6,033.56 : x
  2. Step 2: Convert to fraction form
    6,420.74/9,625.44 = 6,033.56/x
  3. Step 3: Cross multiply
    6,420.74x = 9,625.44 × 6,033.56
  4. Step 4: Simplify right side
    6,420.74x = 58,075,669.77
  5. Step 5: Solve for x
    x = 58,075,669.77/6,420.74
  6. Step 6: Final answer
    x = 9,045.01

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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.