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Finding the Fourth Proportional to 8,036.16, 12,056.88 and 2,840.88

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Solution

The fourth proportional to 8,036.16, 12,056.88 and 2,840.88 is: 4,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,036.16 : 12,056.88 = 2,840.88 : x
  2. Step 2: Convert to fraction form
    8,036.16/12,056.88 = 2,840.88/x
  3. Step 3: Cross multiply
    8,036.16x = 12,056.88 × 2,840.88
  4. Step 4: Simplify right side
    8,036.16x = 34,252,149.25
  5. Step 5: Solve for x
    x = 34,252,149.25/8,036.16
  6. Step 6: Final answer
    x = 4,262.25

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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.