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Finding the Fourth Proportional to 14,452.74, 21,656.43 and 8,606.16

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Solution

The fourth proportional to 14,452.74, 21,656.43 and 8,606.16 is: 12,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.74 : 21,656.43 = 8,606.16 : x
  2. Step 2: Convert to fraction form
    14,452.74/21,656.43 = 8,606.16/x
  3. Step 3: Cross multiply
    14,452.74x = 21,656.43 × 8,606.16
  4. Step 4: Simplify right side
    14,452.74x = 186,378,701.61
  5. Step 5: Solve for x
    x = 186,378,701.61/14,452.74
  6. Step 6: Final answer
    x = 12,895.73

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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.