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Finding the Fourth Proportional to 34,325.60, 51,423.60 and 17,628.80

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Solution

The fourth proportional to 34,325.60, 51,423.60 and 17,628.80 is: 26,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,325.60 : 51,423.60 = 17,628.80 : x
  2. Step 2: Convert to fraction form
    34,325.60/51,423.60 = 17,628.80/x
  3. Step 3: Cross multiply
    34,325.60x = 51,423.60 × 17,628.80
  4. Step 4: Simplify right side
    34,325.60x = 906,536,359.68
  5. Step 5: Solve for x
    x = 906,536,359.68/34,325.60
  6. Step 6: Final answer
    x = 26,409.92

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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.