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Finding the Fourth Proportional to 38,892.50, 58,347.39 and 14,268.50

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Solution

The fourth proportional to 38,892.50, 58,347.39 and 14,268.50 is: 21,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,892.50 : 58,347.39 = 14,268.50 : x
  2. Step 2: Convert to fraction form
    38,892.50/58,347.39 = 14,268.50/x
  3. Step 3: Cross multiply
    38,892.50x = 58,347.39 × 14,268.50
  4. Step 4: Simplify right side
    38,892.50x = 832,529,734.22
  5. Step 5: Solve for x
    x = 832,529,734.22/38,892.50
  6. Step 6: Final answer
    x = 21,405.92

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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.