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Finding the Fourth Proportional to 3,065.54, 4,597.55 and 874.29

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Solution

The fourth proportional to 3,065.54, 4,597.55 and 874.29 is: 1,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.54 : 4,597.55 = 874.29 : x
  2. Step 2: Convert to fraction form
    3,065.54/4,597.55 = 874.29/x
  3. Step 3: Cross multiply
    3,065.54x = 4,597.55 × 874.29
  4. Step 4: Simplify right side
    3,065.54x = 4,019,594.18
  5. Step 5: Solve for x
    x = 4,019,594.18/3,065.54
  6. Step 6: Final answer
    x = 1,311.22

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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.