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Finding the Fourth Proportional to 1,028.99, 1,533.71 and 995.24

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Solution

The fourth proportional to 1,028.99, 1,533.71 and 995.24 is: 1,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.99 : 1,533.71 = 995.24 : x
  2. Step 2: Convert to fraction form
    1,028.99/1,533.71 = 995.24/x
  3. Step 3: Cross multiply
    1,028.99x = 1,533.71 × 995.24
  4. Step 4: Simplify right side
    1,028.99x = 1,526,415.86
  5. Step 5: Solve for x
    x = 1,526,415.86/1,028.99
  6. Step 6: Final answer
    x = 1,483.41

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Double scale
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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.