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Finding the Fourth Proportional to 3,066.03, 4,598.91 and 874.75

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Solution

The fourth proportional to 3,066.03, 4,598.91 and 874.75 is: 1,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.03 : 4,598.91 = 874.75 : x
  2. Step 2: Convert to fraction form
    3,066.03/4,598.91 = 874.75/x
  3. Step 3: Cross multiply
    3,066.03x = 4,598.91 × 874.75
  4. Step 4: Simplify right side
    3,066.03x = 4,022,896.52
  5. Step 5: Solve for x
    x = 4,022,896.52/3,066.03
  6. Step 6: Final answer
    x = 1,312.09

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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.