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Finding the Fourth Proportional to 1,473.84, 2,035.28 and 950.80

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Solution

The fourth proportional to 1,473.84, 2,035.28 and 950.80 is: 1,312.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.84 : 2,035.28 = 950.80 : x
  2. Step 2: Convert to fraction form
    1,473.84/2,035.28 = 950.80/x
  3. Step 3: Cross multiply
    1,473.84x = 2,035.28 × 950.80
  4. Step 4: Simplify right side
    1,473.84x = 1,935,144.22
  5. Step 5: Solve for x
    x = 1,935,144.22/1,473.84
  6. Step 6: Final answer
    x = 1,312.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.