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Finding the Fourth Proportional to 30,994.40, 46,440.40 and 26,386.40

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Solution

The fourth proportional to 30,994.40, 46,440.40 and 26,386.40 is: 39,536.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,994.40 : 46,440.40 = 26,386.40 : x
  2. Step 2: Convert to fraction form
    30,994.40/46,440.40 = 26,386.40/x
  3. Step 3: Cross multiply
    30,994.40x = 46,440.40 × 26,386.40
  4. Step 4: Simplify right side
    30,994.40x = 1,225,394,970.56
  5. Step 5: Solve for x
    x = 1,225,394,970.56/30,994.40
  6. Step 6: Final answer
    x = 39,536.01

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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.