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Finding the Fourth Proportional to 1,703.06, 2,349.79 and 1,039.67

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Solution

The fourth proportional to 1,703.06, 2,349.79 and 1,039.67 is: 1,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.06 : 2,349.79 = 1,039.67 : x
  2. Step 2: Convert to fraction form
    1,703.06/2,349.79 = 1,039.67/x
  3. Step 3: Cross multiply
    1,703.06x = 2,349.79 × 1,039.67
  4. Step 4: Simplify right side
    1,703.06x = 2,443,006.17
  5. Step 5: Solve for x
    x = 2,443,006.17/1,703.06
  6. Step 6: Final answer
    x = 1,434.48

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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.