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Finding the Fourth Proportional to 8,541.44, 12,807.84 and 6,074.72

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Solution

The fourth proportional to 8,541.44, 12,807.84 and 6,074.72 is: 9,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.44 : 12,807.84 = 6,074.72 : x
  2. Step 2: Convert to fraction form
    8,541.44/12,807.84 = 6,074.72/x
  3. Step 3: Cross multiply
    8,541.44x = 12,807.84 × 6,074.72
  4. Step 4: Simplify right side
    8,541.44x = 77,804,041.80
  5. Step 5: Solve for x
    x = 77,804,041.80/8,541.44
  6. Step 6: Final answer
    x = 9,109.01

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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.