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Finding the Fourth Proportional to 3,039.84, 4,559.94 and 848.70

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Solution

The fourth proportional to 3,039.84, 4,559.94 and 848.70 is: 1,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.84 : 4,559.94 = 848.70 : x
  2. Step 2: Convert to fraction form
    3,039.84/4,559.94 = 848.70/x
  3. Step 3: Cross multiply
    3,039.84x = 4,559.94 × 848.70
  4. Step 4: Simplify right side
    3,039.84x = 3,870,021.08
  5. Step 5: Solve for x
    x = 3,870,021.08/3,039.84
  6. Step 6: Final answer
    x = 1,273.10

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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.