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Finding the Fourth Proportional to 1,313.83, 1,813.02 and 848.08

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Solution

The fourth proportional to 1,313.83, 1,813.02 and 848.08 is: 1,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313.83 : 1,813.02 = 848.08 : x
  2. Step 2: Convert to fraction form
    1,313.83/1,813.02 = 848.08/x
  3. Step 3: Cross multiply
    1,313.83x = 1,813.02 × 848.08
  4. Step 4: Simplify right side
    1,313.83x = 1,537,586.00
  5. Step 5: Solve for x
    x = 1,537,586.00/1,313.83
  6. Step 6: Final answer
    x = 1,170.31

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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.