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Finding the Fourth Proportional to 35,402.34, 48,855.23 and 19,486.67

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Solution

The fourth proportional to 35,402.34, 48,855.23 and 19,486.67 is: 26,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,402.34 : 48,855.23 = 19,486.67 : x
  2. Step 2: Convert to fraction form
    35,402.34/48,855.23 = 19,486.67/x
  3. Step 3: Cross multiply
    35,402.34x = 48,855.23 × 19,486.67
  4. Step 4: Simplify right side
    35,402.34x = 952,025,403.07
  5. Step 5: Solve for x
    x = 952,025,403.07/35,402.34
  6. Step 6: Final answer
    x = 26,891.60

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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.