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Finding the Fourth Proportional to 1,050.84, 1,576.80 and 563.76

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Solution

The fourth proportional to 1,050.84, 1,576.80 and 563.76 is: 845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.84 : 1,576.80 = 563.76 : x
  2. Step 2: Convert to fraction form
    1,050.84/1,576.80 = 563.76/x
  3. Step 3: Cross multiply
    1,050.84x = 1,576.80 × 563.76
  4. Step 4: Simplify right side
    1,050.84x = 888,936.77
  5. Step 5: Solve for x
    x = 888,936.77/1,050.84
  6. Step 6: Final answer
    x = 845.93

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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.