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Finding the Fourth Proportional to 34,662.60, 51,993.90 and 12,476.70

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Solution

The fourth proportional to 34,662.60, 51,993.90 and 12,476.70 is: 18,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,662.60 : 51,993.90 = 12,476.70 : x
  2. Step 2: Convert to fraction form
    34,662.60/51,993.90 = 12,476.70/x
  3. Step 3: Cross multiply
    34,662.60x = 51,993.90 × 12,476.70
  4. Step 4: Simplify right side
    34,662.60x = 648,712,292.13
  5. Step 5: Solve for x
    x = 648,712,292.13/34,662.60
  6. Step 6: Final answer
    x = 18,715.05

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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.