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Finding the Fourth Proportional to 12,846.95, 19,273.65 and 3,612.95

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Solution

The fourth proportional to 12,846.95, 19,273.65 and 3,612.95 is: 5,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.95 : 19,273.65 = 3,612.95 : x
  2. Step 2: Convert to fraction form
    12,846.95/19,273.65 = 3,612.95/x
  3. Step 3: Cross multiply
    12,846.95x = 19,273.65 × 3,612.95
  4. Step 4: Simplify right side
    12,846.95x = 69,634,637.40
  5. Step 5: Solve for x
    x = 69,634,637.40/12,846.95
  6. Step 6: Final answer
    x = 5,420.33

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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.