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Finding the Fourth Proportional to 34,895.66, 48,154.63 and 18,980.11

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Solution

The fourth proportional to 34,895.66, 48,154.63 and 18,980.11 is: 26,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,895.66 : 48,154.63 = 18,980.11 : x
  2. Step 2: Convert to fraction form
    34,895.66/48,154.63 = 18,980.11/x
  3. Step 3: Cross multiply
    34,895.66x = 48,154.63 × 18,980.11
  4. Step 4: Simplify right side
    34,895.66x = 913,980,174.41
  5. Step 5: Solve for x
    x = 913,980,174.41/34,895.66
  6. Step 6: Final answer
    x = 26,191.80

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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.