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Finding the Fourth Proportional to 3,180.48, 4,768.99 and 959.01

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Solution

The fourth proportional to 3,180.48, 4,768.99 and 959.01 is: 1,437.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.48 : 4,768.99 = 959.01 : x
  2. Step 2: Convert to fraction form
    3,180.48/4,768.99 = 959.01/x
  3. Step 3: Cross multiply
    3,180.48x = 4,768.99 × 959.01
  4. Step 4: Simplify right side
    3,180.48x = 4,573,488.82
  5. Step 5: Solve for x
    x = 4,573,488.82/3,180.48
  6. Step 6: Final answer
    x = 1,437.99

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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.