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Finding the Fourth Proportional to 3,340.04, 5,010.12 and 874.94

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Solution

The fourth proportional to 3,340.04, 5,010.12 and 874.94 is: 1,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.04 : 5,010.12 = 874.94 : x
  2. Step 2: Convert to fraction form
    3,340.04/5,010.12 = 874.94/x
  3. Step 3: Cross multiply
    3,340.04x = 5,010.12 × 874.94
  4. Step 4: Simplify right side
    3,340.04x = 4,383,529.34
  5. Step 5: Solve for x
    x = 4,383,529.34/3,340.04
  6. Step 6: Final answer
    x = 1,312.42

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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.