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Finding the Fourth Proportional to 37,155.84, 55,742.02 and 17,423.88

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Solution

The fourth proportional to 37,155.84, 55,742.02 and 17,423.88 is: 26,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155.84 : 55,742.02 = 17,423.88 : x
  2. Step 2: Convert to fraction form
    37,155.84/55,742.02 = 17,423.88/x
  3. Step 3: Cross multiply
    37,155.84x = 55,742.02 × 17,423.88
  4. Step 4: Simplify right side
    37,155.84x = 971,242,267.44
  5. Step 5: Solve for x
    x = 971,242,267.44/37,155.84
  6. Step 6: Final answer
    x = 26,139.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.