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Finding the Fourth Proportional to 1,302.27, 1,957.05 and 1,068.99

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Solution

The fourth proportional to 1,302.27, 1,957.05 and 1,068.99 is: 1,606.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.27 : 1,957.05 = 1,068.99 : x
  2. Step 2: Convert to fraction form
    1,302.27/1,957.05 = 1,068.99/x
  3. Step 3: Cross multiply
    1,302.27x = 1,957.05 × 1,068.99
  4. Step 4: Simplify right side
    1,302.27x = 2,092,066.88
  5. Step 5: Solve for x
    x = 2,092,066.88/1,302.27
  6. Step 6: Final answer
    x = 1,606.48

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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.