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Finding the Fourth Proportional to 19,262.51, 26,582.79 and 10,879.01

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Solution

The fourth proportional to 19,262.51, 26,582.79 and 10,879.01 is: 15,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.51 : 26,582.79 = 10,879.01 : x
  2. Step 2: Convert to fraction form
    19,262.51/26,582.79 = 10,879.01/x
  3. Step 3: Cross multiply
    19,262.51x = 26,582.79 × 10,879.01
  4. Step 4: Simplify right side
    19,262.51x = 289,194,438.24
  5. Step 5: Solve for x
    x = 289,194,438.24/19,262.51
  6. Step 6: Final answer
    x = 15,013.33

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1.5x scale

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.