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Finding the Fourth Proportional to 16,530.63, 24,795.94 and 4,218.63

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Solution

The fourth proportional to 16,530.63, 24,795.94 and 4,218.63 is: 6,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,530.63 : 24,795.94 = 4,218.63 : x
  2. Step 2: Convert to fraction form
    16,530.63/24,795.94 = 4,218.63/x
  3. Step 3: Cross multiply
    16,530.63x = 24,795.94 × 4,218.63
  4. Step 4: Simplify right side
    16,530.63x = 104,604,772.38
  5. Step 5: Solve for x
    x = 104,604,772.38/16,530.63
  6. Step 6: Final answer
    x = 6,327.94

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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.