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Finding the Fourth Proportional to 26,967.71, 37,216.71 and 15,031.13

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Solution

The fourth proportional to 26,967.71, 37,216.71 and 15,031.13 is: 20,743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,967.71 : 37,216.71 = 15,031.13 : x
  2. Step 2: Convert to fraction form
    26,967.71/37,216.71 = 15,031.13/x
  3. Step 3: Cross multiply
    26,967.71x = 37,216.71 × 15,031.13
  4. Step 4: Simplify right side
    26,967.71x = 559,409,299.22
  5. Step 5: Solve for x
    x = 559,409,299.22/26,967.71
  6. Step 6: Final answer
    x = 20,743.67

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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.