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Finding the Fourth Proportional to 1,355.93, 2,033.71 and 533.99

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Solution

The fourth proportional to 1,355.93, 2,033.71 and 533.99 is: 800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.93 : 2,033.71 = 533.99 : x
  2. Step 2: Convert to fraction form
    1,355.93/2,033.71 = 533.99/x
  3. Step 3: Cross multiply
    1,355.93x = 2,033.71 × 533.99
  4. Step 4: Simplify right side
    1,355.93x = 1,085,980.80
  5. Step 5: Solve for x
    x = 1,085,980.80/1,355.93
  6. Step 6: Final answer
    x = 800.91

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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.