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Finding the Fourth Proportional to 2,029.66, 2,800.92 and 1,098.16

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Solution

The fourth proportional to 2,029.66, 2,800.92 and 1,098.16 is: 1,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.66 : 2,800.92 = 1,098.16 : x
  2. Step 2: Convert to fraction form
    2,029.66/2,800.92 = 1,098.16/x
  3. Step 3: Cross multiply
    2,029.66x = 2,800.92 × 1,098.16
  4. Step 4: Simplify right side
    2,029.66x = 3,075,858.31
  5. Step 5: Solve for x
    x = 3,075,858.31/2,029.66
  6. Step 6: Final answer
    x = 1,515.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.