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Finding the Fourth Proportional to 27,401.67, 37,810.51 and 15,300.67

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Solution

The fourth proportional to 27,401.67, 37,810.51 and 15,300.67 is: 21,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,401.67 : 37,810.51 = 15,300.67 : x
  2. Step 2: Convert to fraction form
    27,401.67/37,810.51 = 15,300.67/x
  3. Step 3: Cross multiply
    27,401.67x = 37,810.51 × 15,300.67
  4. Step 4: Simplify right side
    27,401.67x = 578,526,136.04
  5. Step 5: Solve for x
    x = 578,526,136.04/27,401.67
  6. Step 6: Final answer
    x = 21,112.81

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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.