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Finding the Fourth Proportional to 39,394.80, 59,097.60 and 13,096.80

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Solution

The fourth proportional to 39,394.80, 59,097.60 and 13,096.80 is: 19,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394.80 : 59,097.60 = 13,096.80 : x
  2. Step 2: Convert to fraction form
    39,394.80/59,097.60 = 13,096.80/x
  3. Step 3: Cross multiply
    39,394.80x = 59,097.60 × 13,096.80
  4. Step 4: Simplify right side
    39,394.80x = 773,989,447.68
  5. Step 5: Solve for x
    x = 773,989,447.68/39,394.80
  6. Step 6: Final answer
    x = 19,647.00

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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.