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Finding the Fourth Proportional to 51,293.26, 70,784.42 and 28,630.94

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Solution

The fourth proportional to 51,293.26, 70,784.42 and 28,630.94 is: 39,510.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,293.26 : 70,784.42 = 28,630.94 : x
  2. Step 2: Convert to fraction form
    51,293.26/70,784.42 = 28,630.94/x
  3. Step 3: Cross multiply
    51,293.26x = 70,784.42 × 28,630.94
  4. Step 4: Simplify right side
    51,293.26x = 2,026,624,481.95
  5. Step 5: Solve for x
    x = 2,026,624,481.95/51,293.26
  6. Step 6: Final answer
    x = 39,510.54

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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.