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Finding the Fourth Proportional to 1,476.48, 2,037.86 and 847.11

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Solution

The fourth proportional to 1,476.48, 2,037.86 and 847.11 is: 1,169.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.48 : 2,037.86 = 847.11 : x
  2. Step 2: Convert to fraction form
    1,476.48/2,037.86 = 847.11/x
  3. Step 3: Cross multiply
    1,476.48x = 2,037.86 × 847.11
  4. Step 4: Simplify right side
    1,476.48x = 1,726,287.35
  5. Step 5: Solve for x
    x = 1,726,287.35/1,476.48
  6. Step 6: Final answer
    x = 1,169.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.