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Finding the Fourth Proportional to 30,676.60, 46,014.90 and 10,955.80

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Solution

The fourth proportional to 30,676.60, 46,014.90 and 10,955.80 is: 16,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676.60 : 46,014.90 = 10,955.80 : x
  2. Step 2: Convert to fraction form
    30,676.60/46,014.90 = 10,955.80/x
  3. Step 3: Cross multiply
    30,676.60x = 46,014.90 × 10,955.80
  4. Step 4: Simplify right side
    30,676.60x = 504,130,041.42
  5. Step 5: Solve for x
    x = 504,130,041.42/30,676.60
  6. Step 6: Final answer
    x = 16,433.70

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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.