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Finding the Fourth Proportional to 1,026.01, 1,415.93 and 583.98

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Solution

The fourth proportional to 1,026.01, 1,415.93 and 583.98 is: 805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.01 : 1,415.93 = 583.98 : x
  2. Step 2: Convert to fraction form
    1,026.01/1,415.93 = 583.98/x
  3. Step 3: Cross multiply
    1,026.01x = 1,415.93 × 583.98
  4. Step 4: Simplify right side
    1,026.01x = 826,874.80
  5. Step 5: Solve for x
    x = 826,874.80/1,026.01
  6. Step 6: Final answer
    x = 805.91

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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.