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Finding the Fourth Proportional to 1,601.63, 2,210.15 and 1,033.46

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Solution

The fourth proportional to 1,601.63, 2,210.15 and 1,033.46 is: 1,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.63 : 2,210.15 = 1,033.46 : x
  2. Step 2: Convert to fraction form
    1,601.63/2,210.15 = 1,033.46/x
  3. Step 3: Cross multiply
    1,601.63x = 2,210.15 × 1,033.46
  4. Step 4: Simplify right side
    1,601.63x = 2,284,085.40
  5. Step 5: Solve for x
    x = 2,284,085.40/1,601.63
  6. Step 6: Final answer
    x = 1,426.10

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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.