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Finding the Fourth Proportional to 1,071.06, 1,606.19 and 583.85

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Solution

The fourth proportional to 1,071.06, 1,606.19 and 583.85 is: 875.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071.06 : 1,606.19 = 583.85 : x
  2. Step 2: Convert to fraction form
    1,071.06/1,606.19 = 583.85/x
  3. Step 3: Cross multiply
    1,071.06x = 1,606.19 × 583.85
  4. Step 4: Simplify right side
    1,071.06x = 937,763.08
  5. Step 5: Solve for x
    x = 937,763.08/1,071.06
  6. Step 6: Final answer
    x = 875.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.