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Finding the Fourth Proportional to 34,513.88, 51,704.85 and 28,927.31

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Solution

The fourth proportional to 34,513.88, 51,704.85 and 28,927.31 is: 43,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,513.88 : 51,704.85 = 28,927.31 : x
  2. Step 2: Convert to fraction form
    34,513.88/51,704.85 = 28,927.31/x
  3. Step 3: Cross multiply
    34,513.88x = 51,704.85 × 28,927.31
  4. Step 4: Simplify right side
    34,513.88x = 1,495,681,965.93
  5. Step 5: Solve for x
    x = 1,495,681,965.93/34,513.88
  6. Step 6: Final answer
    x = 43,335.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.