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Finding the Fourth Proportional to 17,583.55, 26,339.99 and 8,210.63

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Solution

The fourth proportional to 17,583.55, 26,339.99 and 8,210.63 is: 12,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,583.55 : 26,339.99 = 8,210.63 : x
  2. Step 2: Convert to fraction form
    17,583.55/26,339.99 = 8,210.63/x
  3. Step 3: Cross multiply
    17,583.55x = 26,339.99 × 8,210.63
  4. Step 4: Simplify right side
    17,583.55x = 216,267,936.89
  5. Step 5: Solve for x
    x = 216,267,936.89/17,583.55
  6. Step 6: Final answer
    x = 12,299.45

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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.