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Finding the Fourth Proportional to 34,680.80, 52,029.60 and 10,056.80

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Solution

The fourth proportional to 34,680.80, 52,029.60 and 10,056.80 is: 15,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,680.80 : 52,029.60 = 10,056.80 : x
  2. Step 2: Convert to fraction form
    34,680.80/52,029.60 = 10,056.80/x
  3. Step 3: Cross multiply
    34,680.80x = 52,029.60 × 10,056.80
  4. Step 4: Simplify right side
    34,680.80x = 523,251,281.28
  5. Step 5: Solve for x
    x = 523,251,281.28/34,680.80
  6. Step 6: Final answer
    x = 15,087.64

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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.