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Finding the Fourth Proportional to 27,379.87, 37,784.24 and 14,804.62

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Solution

The fourth proportional to 27,379.87, 37,784.24 and 14,804.62 is: 20,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.87 : 37,784.24 = 14,804.62 : x
  2. Step 2: Convert to fraction form
    27,379.87/37,784.24 = 14,804.62/x
  3. Step 3: Cross multiply
    27,379.87x = 37,784.24 × 14,804.62
  4. Step 4: Simplify right side
    27,379.87x = 559,381,315.19
  5. Step 5: Solve for x
    x = 559,381,315.19/27,379.87
  6. Step 6: Final answer
    x = 20,430.39

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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.