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Finding the Fourth Proportional to 26,539.30, 39,813 and 9,901.68

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Solution

The fourth proportional to 26,539.30, 39,813 and 9,901.68 is: 14,854.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,539.30 : 39,813 = 9,901.68 : x
  2. Step 2: Convert to fraction form
    26,539.30/39,813 = 9,901.68/x
  3. Step 3: Cross multiply
    26,539.30x = 39,813 × 9,901.68
  4. Step 4: Simplify right side
    26,539.30x = 394,215,585.84
  5. Step 5: Solve for x
    x = 394,215,585.84/26,539.30
  6. Step 6: Final answer
    x = 14,854.03

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1.5x scale

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.