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Finding the Fourth Proportional to 14,269.95, 21,406.95 and 4,410.09

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Solution

The fourth proportional to 14,269.95, 21,406.95 and 4,410.09 is: 6,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.95 : 21,406.95 = 4,410.09 : x
  2. Step 2: Convert to fraction form
    14,269.95/21,406.95 = 4,410.09/x
  3. Step 3: Cross multiply
    14,269.95x = 21,406.95 × 4,410.09
  4. Step 4: Simplify right side
    14,269.95x = 94,406,576.13
  5. Step 5: Solve for x
    x = 94,406,576.13/14,269.95
  6. Step 6: Final answer
    x = 6,615.76

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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.