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Finding the Fourth Proportional to 1,347.92, 1,856.04 and 1,151.00

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Solution

The fourth proportional to 1,347.92, 1,856.04 and 1,151.00 is: 1,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.92 : 1,856.04 = 1,151.00 : x
  2. Step 2: Convert to fraction form
    1,347.92/1,856.04 = 1,151.00/x
  3. Step 3: Cross multiply
    1,347.92x = 1,856.04 × 1,151.00
  4. Step 4: Simplify right side
    1,347.92x = 2,136,301.72
  5. Step 5: Solve for x
    x = 2,136,301.72/1,347.92
  6. Step 6: Final answer
    x = 1,584.89

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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.