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Finding the Fourth Proportional to 18,548.64, 25,596.90 and 10,050.72

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Solution

The fourth proportional to 18,548.64, 25,596.90 and 10,050.72 is: 13,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.64 : 25,596.90 = 10,050.72 : x
  2. Step 2: Convert to fraction form
    18,548.64/25,596.90 = 10,050.72/x
  3. Step 3: Cross multiply
    18,548.64x = 25,596.90 × 10,050.72
  4. Step 4: Simplify right side
    18,548.64x = 257,267,274.77
  5. Step 5: Solve for x
    x = 257,267,274.77/18,548.64
  6. Step 6: Final answer
    x = 13,869.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.