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Finding the Fourth Proportional to 24,857.89, 34,303.53 and 13,679.89

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Solution

The fourth proportional to 24,857.89, 34,303.53 and 13,679.89 is: 18,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,857.89 : 34,303.53 = 13,679.89 : x
  2. Step 2: Convert to fraction form
    24,857.89/34,303.53 = 13,679.89/x
  3. Step 3: Cross multiply
    24,857.89x = 34,303.53 × 13,679.89
  4. Step 4: Simplify right side
    24,857.89x = 469,268,495.57
  5. Step 5: Solve for x
    x = 469,268,495.57/24,857.89
  6. Step 6: Final answer
    x = 18,878.05

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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.