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Finding the Fourth Proportional to 42,066, 58,014.48 and 36,398.92

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Solution

The fourth proportional to 42,066, 58,014.48 and 36,398.92 is: 50,198.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,066 : 58,014.48 = 36,398.92 : x
  2. Step 2: Convert to fraction form
    42,066/58,014.48 = 36,398.92/x
  3. Step 3: Cross multiply
    42,066x = 58,014.48 × 36,398.92
  4. Step 4: Simplify right side
    42,066x = 2,111,664,416.36
  5. Step 5: Solve for x
    x = 2,111,664,416.36/42,066
  6. Step 6: Final answer
    x = 50,198.84

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Double scale
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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.