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Finding the Fourth Proportional to 5,696.76, 8,480.33 and 5,428.38

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Solution

The fourth proportional to 5,696.76, 8,480.33 and 5,428.38 is: 8,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,696.76 : 8,480.33 = 5,428.38 : x
  2. Step 2: Convert to fraction form
    5,696.76/8,480.33 = 5,428.38/x
  3. Step 3: Cross multiply
    5,696.76x = 8,480.33 × 5,428.38
  4. Step 4: Simplify right side
    5,696.76x = 46,034,509.32
  5. Step 5: Solve for x
    x = 46,034,509.32/5,696.76
  6. Step 6: Final answer
    x = 8,080.82

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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.