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Finding the Fourth Proportional to 52,985.80, 79,406.34 and 26,708.32

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Solution

The fourth proportional to 52,985.80, 79,406.34 and 26,708.32 is: 40,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,985.80 : 79,406.34 = 26,708.32 : x
  2. Step 2: Convert to fraction form
    52,985.80/79,406.34 = 26,708.32/x
  3. Step 3: Cross multiply
    52,985.80x = 79,406.34 × 26,708.32
  4. Step 4: Simplify right side
    52,985.80x = 2,120,809,938.75
  5. Step 5: Solve for x
    x = 2,120,809,938.75/52,985.80
  6. Step 6: Final answer
    x = 40,026.01

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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.