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Finding the Fourth Proportional to 25,944.50, 38,854.40 and 14,817.50

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Solution

The fourth proportional to 25,944.50, 38,854.40 and 14,817.50 is: 22,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,944.50 : 38,854.40 = 14,817.50 : x
  2. Step 2: Convert to fraction form
    25,944.50/38,854.40 = 14,817.50/x
  3. Step 3: Cross multiply
    25,944.50x = 38,854.40 × 14,817.50
  4. Step 4: Simplify right side
    25,944.50x = 575,725,072
  5. Step 5: Solve for x
    x = 575,725,072/25,944.50
  6. Step 6: Final answer
    x = 22,190.64

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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.