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Finding the Fourth Proportional to 1,865.64, 2,574.65 and 1,026.37

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Solution

The fourth proportional to 1,865.64, 2,574.65 and 1,026.37 is: 1,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.64 : 2,574.65 = 1,026.37 : x
  2. Step 2: Convert to fraction form
    1,865.64/2,574.65 = 1,026.37/x
  3. Step 3: Cross multiply
    1,865.64x = 2,574.65 × 1,026.37
  4. Step 4: Simplify right side
    1,865.64x = 2,642,543.52
  5. Step 5: Solve for x
    x = 2,642,543.52/1,865.64
  6. Step 6: Final answer
    x = 1,416.43

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