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Finding the Fourth Proportional to 4,880, 7,273.66 and 4,595.96

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Solution

The fourth proportional to 4,880, 7,273.66 and 4,595.96 is: 6,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880 : 7,273.66 = 4,595.96 : x
  2. Step 2: Convert to fraction form
    4,880/7,273.66 = 4,595.96/x
  3. Step 3: Cross multiply
    4,880x = 7,273.66 × 4,595.96
  4. Step 4: Simplify right side
    4,880x = 33,429,450.41
  5. Step 5: Solve for x
    x = 33,429,450.41/4,880
  6. Step 6: Final answer
    x = 6,850.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.