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Finding the Fourth Proportional to 34,686.80, 52,030.20 and 26,494.80

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Solution

The fourth proportional to 34,686.80, 52,030.20 and 26,494.80 is: 39,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.80 : 52,030.20 = 26,494.80 : x
  2. Step 2: Convert to fraction form
    34,686.80/52,030.20 = 26,494.80/x
  3. Step 3: Cross multiply
    34,686.80x = 52,030.20 × 26,494.80
  4. Step 4: Simplify right side
    34,686.80x = 1,378,529,742.96
  5. Step 5: Solve for x
    x = 1,378,529,742.96/34,686.80
  6. Step 6: Final answer
    x = 39,742.20

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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.