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Finding the Fourth Proportional to 57,429.77, 86,107.70 and 27,427.77

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Solution

The fourth proportional to 57,429.77, 86,107.70 and 27,427.77 is: 41,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,429.77 : 86,107.70 = 27,427.77 : x
  2. Step 2: Convert to fraction form
    57,429.77/86,107.70 = 27,427.77/x
  3. Step 3: Cross multiply
    57,429.77x = 86,107.70 × 27,427.77
  4. Step 4: Simplify right side
    57,429.77x = 2,361,742,259.40
  5. Step 5: Solve for x
    x = 2,361,742,259.40/57,429.77
  6. Step 6: Final answer
    x = 41,124.01

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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.