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Finding the Fourth Proportional to 14,274.90, 21,416.94 and 4,416.12

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Solution

The fourth proportional to 14,274.90, 21,416.94 and 4,416.12 is: 6,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.90 : 21,416.94 = 4,416.12 : x
  2. Step 2: Convert to fraction form
    14,274.90/21,416.94 = 4,416.12/x
  3. Step 3: Cross multiply
    14,274.90x = 21,416.94 × 4,416.12
  4. Step 4: Simplify right side
    14,274.90x = 94,579,777.07
  5. Step 5: Solve for x
    x = 94,579,777.07/14,274.90
  6. Step 6: Final answer
    x = 6,625.60

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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.