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Finding the Fourth Proportional to 37,869, 52,259.48 and 21,732.01

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Solution

The fourth proportional to 37,869, 52,259.48 and 21,732.01 is: 29,990.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,869 : 52,259.48 = 21,732.01 : x
  2. Step 2: Convert to fraction form
    37,869/52,259.48 = 21,732.01/x
  3. Step 3: Cross multiply
    37,869x = 52,259.48 × 21,732.01
  4. Step 4: Simplify right side
    37,869x = 1,135,703,541.95
  5. Step 5: Solve for x
    x = 1,135,703,541.95/37,869
  6. Step 6: Final answer
    x = 29,990.32

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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.