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Finding the Fourth Proportional to 39,697.88, 54,808.74 and 24,606.60

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Solution

The fourth proportional to 39,697.88, 54,808.74 and 24,606.60 is: 33,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,697.88 : 54,808.74 = 24,606.60 : x
  2. Step 2: Convert to fraction form
    39,697.88/54,808.74 = 24,606.60/x
  3. Step 3: Cross multiply
    39,697.88x = 54,808.74 × 24,606.60
  4. Step 4: Simplify right side
    39,697.88x = 1,348,656,741.68
  5. Step 5: Solve for x
    x = 1,348,656,741.68/39,697.88
  6. Step 6: Final answer
    x = 33,973.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.