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Finding the Fourth Proportional to 1,262.96, 1,894.16 and 533.08

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Solution

The fourth proportional to 1,262.96, 1,894.16 and 533.08 is: 799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.96 : 1,894.16 = 533.08 : x
  2. Step 2: Convert to fraction form
    1,262.96/1,894.16 = 533.08/x
  3. Step 3: Cross multiply
    1,262.96x = 1,894.16 × 533.08
  4. Step 4: Simplify right side
    1,262.96x = 1,009,738.81
  5. Step 5: Solve for x
    x = 1,009,738.81/1,262.96
  6. Step 6: Final answer
    x = 799.50

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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.