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Finding the Fourth Proportional to 1,745.77, 2,615.57 and 922.22

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Solution

The fourth proportional to 1,745.77, 2,615.57 and 922.22 is: 1,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.77 : 2,615.57 = 922.22 : x
  2. Step 2: Convert to fraction form
    1,745.77/2,615.57 = 922.22/x
  3. Step 3: Cross multiply
    1,745.77x = 2,615.57 × 922.22
  4. Step 4: Simplify right side
    1,745.77x = 2,412,130.97
  5. Step 5: Solve for x
    x = 2,412,130.97/1,745.77
  6. Step 6: Final answer
    x = 1,381.70

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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.