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Finding the Fourth Proportional to 36,574.88, 54,820.90 and 16,812.64

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Solution

The fourth proportional to 36,574.88, 54,820.90 and 16,812.64 is: 25,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,574.88 : 54,820.90 = 16,812.64 : x
  2. Step 2: Convert to fraction form
    36,574.88/54,820.90 = 16,812.64/x
  3. Step 3: Cross multiply
    36,574.88x = 54,820.90 × 16,812.64
  4. Step 4: Simplify right side
    36,574.88x = 921,684,056.18
  5. Step 5: Solve for x
    x = 921,684,056.18/36,574.88
  6. Step 6: Final answer
    x = 25,199.92

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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.