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Finding the Fourth Proportional to 16,934.60, 25,401.90 and 10,368.20

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Solution

The fourth proportional to 16,934.60, 25,401.90 and 10,368.20 is: 15,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,934.60 : 25,401.90 = 10,368.20 : x
  2. Step 2: Convert to fraction form
    16,934.60/25,401.90 = 10,368.20/x
  3. Step 3: Cross multiply
    16,934.60x = 25,401.90 × 10,368.20
  4. Step 4: Simplify right side
    16,934.60x = 263,371,979.58
  5. Step 5: Solve for x
    x = 263,371,979.58/16,934.60
  6. Step 6: Final answer
    x = 15,552.30

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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.