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Finding the Fourth Proportional to 34,851.20, 52,276.80 and 8,555.60

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Solution

The fourth proportional to 34,851.20, 52,276.80 and 8,555.60 is: 12,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,851.20 : 52,276.80 = 8,555.60 : x
  2. Step 2: Convert to fraction form
    34,851.20/52,276.80 = 8,555.60/x
  3. Step 3: Cross multiply
    34,851.20x = 52,276.80 × 8,555.60
  4. Step 4: Simplify right side
    34,851.20x = 447,259,390.08
  5. Step 5: Solve for x
    x = 447,259,390.08/34,851.20
  6. Step 6: Final answer
    x = 12,833.40

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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.