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Finding the Fourth Proportional to 39,937.60, 59,901.60 and 16,561.60

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Solution

The fourth proportional to 39,937.60, 59,901.60 and 16,561.60 is: 24,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,937.60 : 59,901.60 = 16,561.60 : x
  2. Step 2: Convert to fraction form
    39,937.60/59,901.60 = 16,561.60/x
  3. Step 3: Cross multiply
    39,937.60x = 59,901.60 × 16,561.60
  4. Step 4: Simplify right side
    39,937.60x = 992,066,338.56
  5. Step 5: Solve for x
    x = 992,066,338.56/39,937.60
  6. Step 6: Final answer
    x = 24,840.41

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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.