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Finding the Fourth Proportional to 70,989.63, 106,453.24 and 26,585.25

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Solution

The fourth proportional to 70,989.63, 106,453.24 and 26,585.25 is: 39,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,989.63 : 106,453.24 = 26,585.25 : x
  2. Step 2: Convert to fraction form
    70,989.63/106,453.24 = 26,585.25/x
  3. Step 3: Cross multiply
    70,989.63x = 106,453.24 × 26,585.25
  4. Step 4: Simplify right side
    70,989.63x = 2,830,085,998.71
  5. Step 5: Solve for x
    x = 2,830,085,998.71/70,989.63
  6. Step 6: Final answer
    x = 39,866.19

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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.