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Finding the Fourth Proportional to 3,159.95, 4,739.04 and 967.46

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Solution

The fourth proportional to 3,159.95, 4,739.04 and 967.46 is: 1,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.95 : 4,739.04 = 967.46 : x
  2. Step 2: Convert to fraction form
    3,159.95/4,739.04 = 967.46/x
  3. Step 3: Cross multiply
    3,159.95x = 4,739.04 × 967.46
  4. Step 4: Simplify right side
    3,159.95x = 4,584,807.94
  5. Step 5: Solve for x
    x = 4,584,807.94/3,159.95
  6. Step 6: Final answer
    x = 1,450.91

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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.