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Finding the Fourth Proportional to 3,065.65, 4,598.24 and 874.33

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Solution

The fourth proportional to 3,065.65, 4,598.24 and 874.33 is: 1,311.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.65 : 4,598.24 = 874.33 : x
  2. Step 2: Convert to fraction form
    3,065.65/4,598.24 = 874.33/x
  3. Step 3: Cross multiply
    3,065.65x = 4,598.24 × 874.33
  4. Step 4: Simplify right side
    3,065.65x = 4,020,363.31
  5. Step 5: Solve for x
    x = 4,020,363.31/3,065.65
  6. Step 6: Final answer
    x = 1,311.42

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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.