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Finding the Fourth Proportional to 36,248.48, 50,015.96 and 21,905.40

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Solution

The fourth proportional to 36,248.48, 50,015.96 and 21,905.40 is: 30,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,248.48 : 50,015.96 = 21,905.40 : x
  2. Step 2: Convert to fraction form
    36,248.48/50,015.96 = 21,905.40/x
  3. Step 3: Cross multiply
    36,248.48x = 50,015.96 × 21,905.40
  4. Step 4: Simplify right side
    36,248.48x = 1,095,619,610.18
  5. Step 5: Solve for x
    x = 1,095,619,610.18/36,248.48
  6. Step 6: Final answer
    x = 30,225.26

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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.