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Finding the Fourth Proportional to 1,652.93, 2,491.91 and 1,563.63

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Solution

The fourth proportional to 1,652.93, 2,491.91 and 1,563.63 is: 2,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.93 : 2,491.91 = 1,563.63 : x
  2. Step 2: Convert to fraction form
    1,652.93/2,491.91 = 1,563.63/x
  3. Step 3: Cross multiply
    1,652.93x = 2,491.91 × 1,563.63
  4. Step 4: Simplify right side
    1,652.93x = 3,896,429.14
  5. Step 5: Solve for x
    x = 3,896,429.14/1,652.93
  6. Step 6: Final answer
    x = 2,357.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.