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Finding the Fourth Proportional to 18,444.60, 27,650.70 and 16,476.30

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Solution

The fourth proportional to 18,444.60, 27,650.70 and 16,476.30 is: 24,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444.60 : 27,650.70 = 16,476.30 : x
  2. Step 2: Convert to fraction form
    18,444.60/27,650.70 = 16,476.30/x
  3. Step 3: Cross multiply
    18,444.60x = 27,650.70 × 16,476.30
  4. Step 4: Simplify right side
    18,444.60x = 455,581,228.41
  5. Step 5: Solve for x
    x = 455,581,228.41/18,444.60
  6. Step 6: Final answer
    x = 24,699.98

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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.