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Finding the Fourth Proportional to 58,577.60, 87,866.40 and 43,025.60

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Solution

The fourth proportional to 58,577.60, 87,866.40 and 43,025.60 is: 64,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,577.60 : 87,866.40 = 43,025.60 : x
  2. Step 2: Convert to fraction form
    58,577.60/87,866.40 = 43,025.60/x
  3. Step 3: Cross multiply
    58,577.60x = 87,866.40 × 43,025.60
  4. Step 4: Simplify right side
    58,577.60x = 3,780,504,579.84
  5. Step 5: Solve for x
    x = 3,780,504,579.84/58,577.60
  6. Step 6: Final answer
    x = 64,538.40

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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.