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Finding the Fourth Proportional to 1,048.93, 1,448.55 and 950.51

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Solution

The fourth proportional to 1,048.93, 1,448.55 and 950.51 is: 1,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.93 : 1,448.55 = 950.51 : x
  2. Step 2: Convert to fraction form
    1,048.93/1,448.55 = 950.51/x
  3. Step 3: Cross multiply
    1,048.93x = 1,448.55 × 950.51
  4. Step 4: Simplify right side
    1,048.93x = 1,376,861.26
  5. Step 5: Solve for x
    x = 1,376,861.26/1,048.93
  6. Step 6: Final answer
    x = 1,312.64

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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.