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Finding the Fourth Proportional to 1,060.71, 1,592.55 and 841.47

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Solution

The fourth proportional to 1,060.71, 1,592.55 and 841.47 is: 1,263.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.71 : 1,592.55 = 841.47 : x
  2. Step 2: Convert to fraction form
    1,060.71/1,592.55 = 841.47/x
  3. Step 3: Cross multiply
    1,060.71x = 1,592.55 × 841.47
  4. Step 4: Simplify right side
    1,060.71x = 1,340,083.05
  5. Step 5: Solve for x
    x = 1,340,083.05/1,060.71
  6. Step 6: Final answer
    x = 1,263.38

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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.