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Finding the Fourth Proportional to 58,151.53, 80,261.63 and 35,485.68

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Solution

The fourth proportional to 58,151.53, 80,261.63 and 35,485.68 is: 48,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,151.53 : 80,261.63 = 35,485.68 : x
  2. Step 2: Convert to fraction form
    58,151.53/80,261.63 = 35,485.68/x
  3. Step 3: Cross multiply
    58,151.53x = 80,261.63 × 35,485.68
  4. Step 4: Simplify right side
    58,151.53x = 2,848,138,518.46
  5. Step 5: Solve for x
    x = 2,848,138,518.46/58,151.53
  6. Step 6: Final answer
    x = 48,977.88

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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.