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Finding the Fourth Proportional to 39,893.09, 59,850.74 and 17,405.74

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Solution

The fourth proportional to 39,893.09, 59,850.74 and 17,405.74 is: 26,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,893.09 : 59,850.74 = 17,405.74 : x
  2. Step 2: Convert to fraction form
    39,893.09/59,850.74 = 17,405.74/x
  3. Step 3: Cross multiply
    39,893.09x = 59,850.74 × 17,405.74
  4. Step 4: Simplify right side
    39,893.09x = 1,041,746,419.25
  5. Step 5: Solve for x
    x = 1,041,746,419.25/39,893.09
  6. Step 6: Final answer
    x = 26,113.46

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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.