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Finding the Fourth Proportional to 1,583.96, 2,376.28 and 543.93

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Solution

The fourth proportional to 1,583.96, 2,376.28 and 543.93 is: 816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.96 : 2,376.28 = 543.93 : x
  2. Step 2: Convert to fraction form
    1,583.96/2,376.28 = 543.93/x
  3. Step 3: Cross multiply
    1,583.96x = 2,376.28 × 543.93
  4. Step 4: Simplify right side
    1,583.96x = 1,292,528.62
  5. Step 5: Solve for x
    x = 1,292,528.62/1,583.96
  6. Step 6: Final answer
    x = 816.01

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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.