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Finding the Fourth Proportional to 1,568.93, 2,353.51 and 528.93

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Solution

The fourth proportional to 1,568.93, 2,353.51 and 528.93 is: 793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.93 : 2,353.51 = 528.93 : x
  2. Step 2: Convert to fraction form
    1,568.93/2,353.51 = 528.93/x
  3. Step 3: Cross multiply
    1,568.93x = 2,353.51 × 528.93
  4. Step 4: Simplify right side
    1,568.93x = 1,244,842.04
  5. Step 5: Solve for x
    x = 1,244,842.04/1,568.93
  6. Step 6: Final answer
    x = 793.43

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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.