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Finding the Fourth Proportional to 1,023.46, 1,533.76 and 536.85

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Solution

The fourth proportional to 1,023.46, 1,533.76 and 536.85 is: 804.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.46 : 1,533.76 = 536.85 : x
  2. Step 2: Convert to fraction form
    1,023.46/1,533.76 = 536.85/x
  3. Step 3: Cross multiply
    1,023.46x = 1,533.76 × 536.85
  4. Step 4: Simplify right side
    1,023.46x = 823,397.71
  5. Step 5: Solve for x
    x = 823,397.71/1,023.46
  6. Step 6: Final answer
    x = 804.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.