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Finding the Fourth Proportional to 17,407.51, 26,102.66 and 12,407.18

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Solution

The fourth proportional to 17,407.51, 26,102.66 and 12,407.18 is: 18,604.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,407.51 : 26,102.66 = 12,407.18 : x
  2. Step 2: Convert to fraction form
    17,407.51/26,102.66 = 12,407.18/x
  3. Step 3: Cross multiply
    17,407.51x = 26,102.66 × 12,407.18
  4. Step 4: Simplify right side
    17,407.51x = 323,860,208.55
  5. Step 5: Solve for x
    x = 323,860,208.55/17,407.51
  6. Step 6: Final answer
    x = 18,604.63

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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.