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Finding the Fourth Proportional to 16,886.63, 25,329.94 and 4,574.63

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Solution

The fourth proportional to 16,886.63, 25,329.94 and 4,574.63 is: 6,861.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.63 : 25,329.94 = 4,574.63 : x
  2. Step 2: Convert to fraction form
    16,886.63/25,329.94 = 4,574.63/x
  3. Step 3: Cross multiply
    16,886.63x = 25,329.94 × 4,574.63
  4. Step 4: Simplify right side
    16,886.63x = 115,874,965.34
  5. Step 5: Solve for x
    x = 115,874,965.34/16,886.63
  6. Step 6: Final answer
    x = 6,861.94

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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.