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Finding the Fourth Proportional to 12,705.08, 19,063.08 and 6,136.19

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Solution

The fourth proportional to 12,705.08, 19,063.08 and 6,136.19 is: 9,206.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705.08 : 19,063.08 = 6,136.19 : x
  2. Step 2: Convert to fraction form
    12,705.08/19,063.08 = 6,136.19/x
  3. Step 3: Cross multiply
    12,705.08x = 19,063.08 × 6,136.19
  4. Step 4: Simplify right side
    12,705.08x = 116,974,585.55
  5. Step 5: Solve for x
    x = 116,974,585.55/12,705.08
  6. Step 6: Final answer
    x = 9,206.92

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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.