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Finding the Fourth Proportional to 26,342.79, 39,520.42 and 7,623.26

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Solution

The fourth proportional to 26,342.79, 39,520.42 and 7,623.26 is: 11,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,342.79 : 39,520.42 = 7,623.26 : x
  2. Step 2: Convert to fraction form
    26,342.79/39,520.42 = 7,623.26/x
  3. Step 3: Cross multiply
    26,342.79x = 39,520.42 × 7,623.26
  4. Step 4: Simplify right side
    26,342.79x = 301,274,368.51
  5. Step 5: Solve for x
    x = 301,274,368.51/26,342.79
  6. Step 6: Final answer
    x = 11,436.69

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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.