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Finding the Fourth Proportional to 18,597.59, 27,861.20 and 14,417.11

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Solution

The fourth proportional to 18,597.59, 27,861.20 and 14,417.11 is: 21,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.59 : 27,861.20 = 14,417.11 : x
  2. Step 2: Convert to fraction form
    18,597.59/27,861.20 = 14,417.11/x
  3. Step 3: Cross multiply
    18,597.59x = 27,861.20 × 14,417.11
  4. Step 4: Simplify right side
    18,597.59x = 401,677,951.52
  5. Step 5: Solve for x
    x = 401,677,951.52/18,597.59
  6. Step 6: Final answer
    x = 21,598.39

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1.5x scale

Why These Related Problems?

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