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Finding the Fourth Proportional to 27,169.80, 37,495.04 and 15,232.80

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Solution

The fourth proportional to 27,169.80, 37,495.04 and 15,232.80 is: 21,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,169.80 : 37,495.04 = 15,232.80 : x
  2. Step 2: Convert to fraction form
    27,169.80/37,495.04 = 15,232.80/x
  3. Step 3: Cross multiply
    27,169.80x = 37,495.04 × 15,232.80
  4. Step 4: Simplify right side
    27,169.80x = 571,154,445.31
  5. Step 5: Solve for x
    x = 571,154,445.31/27,169.80
  6. Step 6: Final answer
    x = 21,021.67

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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.