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Finding the Fourth Proportional to 39,892.80, 59,839.20 and 26,673.60

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Solution

The fourth proportional to 39,892.80, 59,839.20 and 26,673.60 is: 40,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,892.80 : 59,839.20 = 26,673.60 : x
  2. Step 2: Convert to fraction form
    39,892.80/59,839.20 = 26,673.60/x
  3. Step 3: Cross multiply
    39,892.80x = 59,839.20 × 26,673.60
  4. Step 4: Simplify right side
    39,892.80x = 1,596,126,885.12
  5. Step 5: Solve for x
    x = 1,596,126,885.12/39,892.80
  6. Step 6: Final answer
    x = 40,010.40

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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.