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Finding the Fourth Proportional to 1,055.99, 1,582.35 and 795.71

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Solution

The fourth proportional to 1,055.99, 1,582.35 and 795.71 is: 1,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055.99 : 1,582.35 = 795.71 : x
  2. Step 2: Convert to fraction form
    1,055.99/1,582.35 = 795.71/x
  3. Step 3: Cross multiply
    1,055.99x = 1,582.35 × 795.71
  4. Step 4: Simplify right side
    1,055.99x = 1,259,091.72
  5. Step 5: Solve for x
    x = 1,259,091.72/1,055.99
  6. Step 6: Final answer
    x = 1,192.33

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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.