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Finding the Fourth Proportional to 1,869.74, 2,580.01 and 1,073.02

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Solution

The fourth proportional to 1,869.74, 2,580.01 and 1,073.02 is: 1,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.74 : 2,580.01 = 1,073.02 : x
  2. Step 2: Convert to fraction form
    1,869.74/2,580.01 = 1,073.02/x
  3. Step 3: Cross multiply
    1,869.74x = 2,580.01 × 1,073.02
  4. Step 4: Simplify right side
    1,869.74x = 2,768,384.07
  5. Step 5: Solve for x
    x = 2,768,384.07/1,869.74
  6. Step 6: Final answer
    x = 1,480.63

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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.