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Finding the Fourth Proportional to 27,095.40, 40,630.95 and 12,296.70

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Solution

The fourth proportional to 27,095.40, 40,630.95 and 12,296.70 is: 18,439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,095.40 : 40,630.95 = 12,296.70 : x
  2. Step 2: Convert to fraction form
    27,095.40/40,630.95 = 12,296.70/x
  3. Step 3: Cross multiply
    27,095.40x = 40,630.95 × 12,296.70
  4. Step 4: Simplify right side
    27,095.40x = 499,626,602.87
  5. Step 5: Solve for x
    x = 499,626,602.87/27,095.40
  6. Step 6: Final answer
    x = 18,439.54

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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.