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Finding the Fourth Proportional to 27,293.95, 40,942.82 and 10,648.45

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Solution

The fourth proportional to 27,293.95, 40,942.82 and 10,648.45 is: 15,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,293.95 : 40,942.82 = 10,648.45 : x
  2. Step 2: Convert to fraction form
    27,293.95/40,942.82 = 10,648.45/x
  3. Step 3: Cross multiply
    27,293.95x = 40,942.82 × 10,648.45
  4. Step 4: Simplify right side
    27,293.95x = 435,977,571.63
  5. Step 5: Solve for x
    x = 435,977,571.63/27,293.95
  6. Step 6: Final answer
    x = 15,973.41

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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.