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Finding the Fourth Proportional to 5,647.95, 8,472.83 and 1,751.45

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Solution

The fourth proportional to 5,647.95, 8,472.83 and 1,751.45 is: 2,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.95 : 8,472.83 = 1,751.45 : x
  2. Step 2: Convert to fraction form
    5,647.95/8,472.83 = 1,751.45/x
  3. Step 3: Cross multiply
    5,647.95x = 8,472.83 × 1,751.45
  4. Step 4: Simplify right side
    5,647.95x = 14,839,686.98
  5. Step 5: Solve for x
    x = 14,839,686.98/5,647.95
  6. Step 6: Final answer
    x = 2,627.45

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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.