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Finding the Fourth Proportional to 4,843.94, 6,641.09 and 4,756.46

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Solution

The fourth proportional to 4,843.94, 6,641.09 and 4,756.46 is: 6,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,843.94 : 6,641.09 = 4,756.46 : x
  2. Step 2: Convert to fraction form
    4,843.94/6,641.09 = 4,756.46/x
  3. Step 3: Cross multiply
    4,843.94x = 6,641.09 × 4,756.46
  4. Step 4: Simplify right side
    4,843.94x = 31,588,039.79
  5. Step 5: Solve for x
    x = 31,588,039.79/4,843.94
  6. Step 6: Final answer
    x = 6,521.15

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.