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Finding the Fourth Proportional to 1,182.48, 1,773.48 and 695.16

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Solution

The fourth proportional to 1,182.48, 1,773.48 and 695.16 is: 1,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.48 : 1,773.48 = 695.16 : x
  2. Step 2: Convert to fraction form
    1,182.48/1,773.48 = 695.16/x
  3. Step 3: Cross multiply
    1,182.48x = 1,773.48 × 695.16
  4. Step 4: Simplify right side
    1,182.48x = 1,232,852.36
  5. Step 5: Solve for x
    x = 1,232,852.36/1,182.48
  6. Step 6: Final answer
    x = 1,042.60

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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.