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Finding the Fourth Proportional to 79,610.84, 119,390.78 and 26,292.89

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Solution

The fourth proportional to 79,610.84, 119,390.78 and 26,292.89 is: 39,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,610.84 : 119,390.78 = 26,292.89 : x
  2. Step 2: Convert to fraction form
    79,610.84/119,390.78 = 26,292.89/x
  3. Step 3: Cross multiply
    79,610.84x = 119,390.78 × 26,292.89
  4. Step 4: Simplify right side
    79,610.84x = 3,139,127,917.14
  5. Step 5: Solve for x
    x = 3,139,127,917.14/79,610.84
  6. Step 6: Final answer
    x = 39,430.91

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1.5x scale

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.