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Finding the Fourth Proportional to 25,274.22, 37,916.18 and 9,690.63

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Solution

The fourth proportional to 25,274.22, 37,916.18 and 9,690.63 is: 14,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,274.22 : 37,916.18 = 9,690.63 : x
  2. Step 2: Convert to fraction form
    25,274.22/37,916.18 = 9,690.63/x
  3. Step 3: Cross multiply
    25,274.22x = 37,916.18 × 9,690.63
  4. Step 4: Simplify right side
    25,274.22x = 367,431,671.39
  5. Step 5: Solve for x
    x = 367,431,671.39/25,274.22
  6. Step 6: Final answer
    x = 14,537.80

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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.