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Finding the Fourth Proportional to 27,365.90, 37,764.90 and 14,790.66

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Solution

The fourth proportional to 27,365.90, 37,764.90 and 14,790.66 is: 20,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,365.90 : 37,764.90 = 14,790.66 : x
  2. Step 2: Convert to fraction form
    27,365.90/37,764.90 = 14,790.66/x
  3. Step 3: Cross multiply
    27,365.90x = 37,764.90 × 14,790.66
  4. Step 4: Simplify right side
    27,365.90x = 558,567,795.83
  5. Step 5: Solve for x
    x = 558,567,795.83/27,365.90
  6. Step 6: Final answer
    x = 20,411.09

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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.