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Finding the Fourth Proportional to 4,802.63, 6,627.69 and 2,939.63

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Solution

The fourth proportional to 4,802.63, 6,627.69 and 2,939.63 is: 4,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.63 : 6,627.69 = 2,939.63 : x
  2. Step 2: Convert to fraction form
    4,802.63/6,627.69 = 2,939.63/x
  3. Step 3: Cross multiply
    4,802.63x = 6,627.69 × 2,939.63
  4. Step 4: Simplify right side
    4,802.63x = 19,482,923.22
  5. Step 5: Solve for x
    x = 19,482,923.22/4,802.63
  6. Step 6: Final answer
    x = 4,056.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.