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Finding the Fourth Proportional to 1,929.48, 2,893.96 and 832.93

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Solution

The fourth proportional to 1,929.48, 2,893.96 and 832.93 is: 1,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.48 : 2,893.96 = 832.93 : x
  2. Step 2: Convert to fraction form
    1,929.48/2,893.96 = 832.93/x
  3. Step 3: Cross multiply
    1,929.48x = 2,893.96 × 832.93
  4. Step 4: Simplify right side
    1,929.48x = 2,410,466.10
  5. Step 5: Solve for x
    x = 2,410,466.10/1,929.48
  6. Step 6: Final answer
    x = 1,249.28

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1.5x scale

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.