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Finding the Fourth Proportional to 34,615.82, 47,769.84 and 18,700.26

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Solution

The fourth proportional to 34,615.82, 47,769.84 and 18,700.26 is: 25,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,615.82 : 47,769.84 = 18,700.26 : x
  2. Step 2: Convert to fraction form
    34,615.82/47,769.84 = 18,700.26/x
  3. Step 3: Cross multiply
    34,615.82x = 47,769.84 × 18,700.26
  4. Step 4: Simplify right side
    34,615.82x = 893,308,428.16
  5. Step 5: Solve for x
    x = 893,308,428.16/34,615.82
  6. Step 6: Final answer
    x = 25,806.37

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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.