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Finding the Fourth Proportional to 1,848.96, 2,771.52 and 874.32

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Solution

The fourth proportional to 1,848.96, 2,771.52 and 874.32 is: 1,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.96 : 2,771.52 = 874.32 : x
  2. Step 2: Convert to fraction form
    1,848.96/2,771.52 = 874.32/x
  3. Step 3: Cross multiply
    1,848.96x = 2,771.52 × 874.32
  4. Step 4: Simplify right side
    1,848.96x = 2,423,195.37
  5. Step 5: Solve for x
    x = 2,423,195.37/1,848.96
  6. Step 6: Final answer
    x = 1,310.57

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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.