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Finding the Fourth Proportional to 1,059.88, 1,592.85 and 1,053.80

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Solution

The fourth proportional to 1,059.88, 1,592.85 and 1,053.80 is: 1,583.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.88 : 1,592.85 = 1,053.80 : x
  2. Step 2: Convert to fraction form
    1,059.88/1,592.85 = 1,053.80/x
  3. Step 3: Cross multiply
    1,059.88x = 1,592.85 × 1,053.80
  4. Step 4: Simplify right side
    1,059.88x = 1,678,545.33
  5. Step 5: Solve for x
    x = 1,678,545.33/1,059.88
  6. Step 6: Final answer
    x = 1,583.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.