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Finding the Fourth Proportional to 3,354.51, 4,629.78 and 1,957.26

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Solution

The fourth proportional to 3,354.51, 4,629.78 and 1,957.26 is: 2,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.51 : 4,629.78 = 1,957.26 : x
  2. Step 2: Convert to fraction form
    3,354.51/4,629.78 = 1,957.26/x
  3. Step 3: Cross multiply
    3,354.51x = 4,629.78 × 1,957.26
  4. Step 4: Simplify right side
    3,354.51x = 9,061,683.20
  5. Step 5: Solve for x
    x = 9,061,683.20/3,354.51
  6. Step 6: Final answer
    x = 2,701.34

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1.5x scale

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.