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Finding the Fourth Proportional to 17,620.63, 26,536.53 and 16,045.99

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Solution

The fourth proportional to 17,620.63, 26,536.53 and 16,045.99 is: 24,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.63 : 26,536.53 = 16,045.99 : x
  2. Step 2: Convert to fraction form
    17,620.63/26,536.53 = 16,045.99/x
  3. Step 3: Cross multiply
    17,620.63x = 26,536.53 × 16,045.99
  4. Step 4: Simplify right side
    17,620.63x = 425,804,895.01
  5. Step 5: Solve for x
    x = 425,804,895.01/17,620.63
  6. Step 6: Final answer
    x = 24,165.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.