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Finding the Fourth Proportional to 43,858.60, 65,788.52 and 14,276.59

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Solution

The fourth proportional to 43,858.60, 65,788.52 and 14,276.59 is: 21,415.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,858.60 : 65,788.52 = 14,276.59 : x
  2. Step 2: Convert to fraction form
    43,858.60/65,788.52 = 14,276.59/x
  3. Step 3: Cross multiply
    43,858.60x = 65,788.52 × 14,276.59
  4. Step 4: Simplify right side
    43,858.60x = 939,235,726.75
  5. Step 5: Solve for x
    x = 939,235,726.75/43,858.60
  6. Step 6: Final answer
    x = 21,415.09

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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.