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Finding the Fourth Proportional to 37,118.10, 51,210.93 and 20,983.84

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Solution

The fourth proportional to 37,118.10, 51,210.93 and 20,983.84 is: 28,950.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,118.10 : 51,210.93 = 20,983.84 : x
  2. Step 2: Convert to fraction form
    37,118.10/51,210.93 = 20,983.84/x
  3. Step 3: Cross multiply
    37,118.10x = 51,210.93 × 20,983.84
  4. Step 4: Simplify right side
    37,118.10x = 1,074,602,023.04
  5. Step 5: Solve for x
    x = 1,074,602,023.04/37,118.10
  6. Step 6: Final answer
    x = 28,950.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.