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Finding the Fourth Proportional to 27,923.70, 39,005.70 and 27,923.70

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Solution

The fourth proportional to 27,923.70, 39,005.70 and 27,923.70 is: 39,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.70 : 39,005.70 = 27,923.70 : x
  2. Step 2: Convert to fraction form
    27,923.70/39,005.70 = 27,923.70/x
  3. Step 3: Cross multiply
    27,923.70x = 39,005.70 × 27,923.70
  4. Step 4: Simplify right side
    27,923.70x = 1,089,183,465.09
  5. Step 5: Solve for x
    x = 1,089,183,465.09/27,923.70
  6. Step 6: Final answer
    x = 39,005.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.