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Finding the Fourth Proportional to 26,528.97, 39,795.95 and 7,809.01

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Solution

The fourth proportional to 26,528.97, 39,795.95 and 7,809.01 is: 11,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,528.97 : 39,795.95 = 7,809.01 : x
  2. Step 2: Convert to fraction form
    26,528.97/39,795.95 = 7,809.01/x
  3. Step 3: Cross multiply
    26,528.97x = 39,795.95 × 7,809.01
  4. Step 4: Simplify right side
    26,528.97x = 310,766,971.51
  5. Step 5: Solve for x
    x = 310,766,971.51/26,528.97
  6. Step 6: Final answer
    x = 11,714.25

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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.