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Finding the Fourth Proportional to 3,149.04, 4,724.22 and 957.94

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Solution

The fourth proportional to 3,149.04, 4,724.22 and 957.94 is: 1,437.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.04 : 4,724.22 = 957.94 : x
  2. Step 2: Convert to fraction form
    3,149.04/4,724.22 = 957.94/x
  3. Step 3: Cross multiply
    3,149.04x = 4,724.22 × 957.94
  4. Step 4: Simplify right side
    3,149.04x = 4,525,519.31
  5. Step 5: Solve for x
    x = 4,525,519.31/3,149.04
  6. Step 6: Final answer
    x = 1,437.11

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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.