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Finding the Fourth Proportional to 13,037.14, 18,006.08 and 8,838.10

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Solution

The fourth proportional to 13,037.14, 18,006.08 and 8,838.10 is: 12,206.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.14 : 18,006.08 = 8,838.10 : x
  2. Step 2: Convert to fraction form
    13,037.14/18,006.08 = 8,838.10/x
  3. Step 3: Cross multiply
    13,037.14x = 18,006.08 × 8,838.10
  4. Step 4: Simplify right side
    13,037.14x = 159,139,535.65
  5. Step 5: Solve for x
    x = 159,139,535.65/13,037.14
  6. Step 6: Final answer
    x = 12,206.63

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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.