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Finding the Fourth Proportional to 26,000.78, 35,881.04 and 14,064.08

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Solution

The fourth proportional to 26,000.78, 35,881.04 and 14,064.08 is: 19,408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,000.78 : 35,881.04 = 14,064.08 : x
  2. Step 2: Convert to fraction form
    26,000.78/35,881.04 = 14,064.08/x
  3. Step 3: Cross multiply
    26,000.78x = 35,881.04 × 14,064.08
  4. Step 4: Simplify right side
    26,000.78x = 504,633,746.72
  5. Step 5: Solve for x
    x = 504,633,746.72/26,000.78
  6. Step 6: Final answer
    x = 19,408.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.