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Finding the Fourth Proportional to 58,797.60, 87,980.40 and 43,245.60

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Solution

The fourth proportional to 58,797.60, 87,980.40 and 43,245.60 is: 64,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,797.60 : 87,980.40 = 43,245.60 : x
  2. Step 2: Convert to fraction form
    58,797.60/87,980.40 = 43,245.60/x
  3. Step 3: Cross multiply
    58,797.60x = 87,980.40 × 43,245.60
  4. Step 4: Simplify right side
    58,797.60x = 3,804,765,186.24
  5. Step 5: Solve for x
    x = 3,804,765,186.24/58,797.60
  6. Step 6: Final answer
    x = 64,709.53

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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.