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Finding the Fourth Proportional to 3,149.34, 4,723.75 and 958.06

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Solution

The fourth proportional to 3,149.34, 4,723.75 and 958.06 is: 1,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.34 : 4,723.75 = 958.06 : x
  2. Step 2: Convert to fraction form
    3,149.34/4,723.75 = 958.06/x
  3. Step 3: Cross multiply
    3,149.34x = 4,723.75 × 958.06
  4. Step 4: Simplify right side
    3,149.34x = 4,525,635.93
  5. Step 5: Solve for x
    x = 4,525,635.93/3,149.34
  6. Step 6: Final answer
    x = 1,437.01

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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.