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Finding the Fourth Proportional to 37,969.99, 52,398.60 and 21,202.99

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Solution

The fourth proportional to 37,969.99, 52,398.60 and 21,202.99 is: 29,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,969.99 : 52,398.60 = 21,202.99 : x
  2. Step 2: Convert to fraction form
    37,969.99/52,398.60 = 21,202.99/x
  3. Step 3: Cross multiply
    37,969.99x = 52,398.60 × 21,202.99
  4. Step 4: Simplify right side
    37,969.99x = 1,111,006,991.81
  5. Step 5: Solve for x
    x = 1,111,006,991.81/37,969.99
  6. Step 6: Final answer
    x = 29,260.13

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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.