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Finding the Fourth Proportional to 14,268.71, 21,406.71 and 8,350.58

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Solution

The fourth proportional to 14,268.71, 21,406.71 and 8,350.58 is: 12,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.71 : 21,406.71 = 8,350.58 : x
  2. Step 2: Convert to fraction form
    14,268.71/21,406.71 = 8,350.58/x
  3. Step 3: Cross multiply
    14,268.71x = 21,406.71 × 8,350.58
  4. Step 4: Simplify right side
    14,268.71x = 178,758,448.95
  5. Step 5: Solve for x
    x = 178,758,448.95/14,268.71
  6. Step 6: Final answer
    x = 12,528.00

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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.