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Finding the Fourth Proportional to 37,818.51, 52,189.97 and 21,051.51

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Solution

The fourth proportional to 37,818.51, 52,189.97 and 21,051.51 is: 29,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,818.51 : 52,189.97 = 21,051.51 : x
  2. Step 2: Convert to fraction form
    37,818.51/52,189.97 = 21,051.51/x
  3. Step 3: Cross multiply
    37,818.51x = 52,189.97 × 21,051.51
  4. Step 4: Simplify right side
    37,818.51x = 1,098,677,570.10
  5. Step 5: Solve for x
    x = 1,098,677,570.10/37,818.51
  6. Step 6: Final answer
    x = 29,051.32

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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.