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Finding the Fourth Proportional to 18,068.19, 26,921.19 and 16,103.94

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Solution

The fourth proportional to 18,068.19, 26,921.19 and 16,103.94 is: 23,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.19 : 26,921.19 = 16,103.94 : x
  2. Step 2: Convert to fraction form
    18,068.19/26,921.19 = 16,103.94/x
  3. Step 3: Cross multiply
    18,068.19x = 26,921.19 × 16,103.94
  4. Step 4: Simplify right side
    18,068.19x = 433,537,228.49
  5. Step 5: Solve for x
    x = 433,537,228.49/18,068.19
  6. Step 6: Final answer
    x = 23,994.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.