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Finding the Fourth Proportional to 12,573.77, 18,860.04 and 4,251.02

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Solution

The fourth proportional to 12,573.77, 18,860.04 and 4,251.02 is: 6,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.77 : 18,860.04 = 4,251.02 : x
  2. Step 2: Convert to fraction form
    12,573.77/18,860.04 = 4,251.02/x
  3. Step 3: Cross multiply
    12,573.77x = 18,860.04 × 4,251.02
  4. Step 4: Simplify right side
    12,573.77x = 80,174,312.94
  5. Step 5: Solve for x
    x = 80,174,312.94/12,573.77
  6. Step 6: Final answer
    x = 6,376.32

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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.