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Finding the Fourth Proportional to 34,720.22, 47,913.88 and 18,804.67

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Solution

The fourth proportional to 34,720.22, 47,913.88 and 18,804.67 is: 25,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.22 : 47,913.88 = 18,804.67 : x
  2. Step 2: Convert to fraction form
    34,720.22/47,913.88 = 18,804.67/x
  3. Step 3: Cross multiply
    34,720.22x = 47,913.88 × 18,804.67
  4. Step 4: Simplify right side
    34,720.22x = 901,004,701.82
  5. Step 5: Solve for x
    x = 901,004,701.82/34,720.22
  6. Step 6: Final answer
    x = 25,950.43

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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.