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Finding the Fourth Proportional to 38,214.50, 52,736.01 and 21,447.50

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Solution

The fourth proportional to 38,214.50, 52,736.01 and 21,447.50 is: 29,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,214.50 : 52,736.01 = 21,447.50 : x
  2. Step 2: Convert to fraction form
    38,214.50/52,736.01 = 21,447.50/x
  3. Step 3: Cross multiply
    38,214.50x = 52,736.01 × 21,447.50
  4. Step 4: Simplify right side
    38,214.50x = 1,131,055,574.48
  5. Step 5: Solve for x
    x = 1,131,055,574.48/38,214.50
  6. Step 6: Final answer
    x = 29,597.55

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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.