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Finding the Fourth Proportional to 35,392.40, 53,114.20 and 14,630.80

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Solution

The fourth proportional to 35,392.40, 53,114.20 and 14,630.80 is: 21,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.40 : 53,114.20 = 14,630.80 : x
  2. Step 2: Convert to fraction form
    35,392.40/53,114.20 = 14,630.80/x
  3. Step 3: Cross multiply
    35,392.40x = 53,114.20 × 14,630.80
  4. Step 4: Simplify right side
    35,392.40x = 777,103,237.36
  5. Step 5: Solve for x
    x = 777,103,237.36/35,392.40
  6. Step 6: Final answer
    x = 21,956.78

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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.