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Finding the Fourth Proportional to 25,654.44, 35,409.03 and 15,047.49

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Solution

The fourth proportional to 25,654.44, 35,409.03 and 15,047.49 is: 20,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654.44 : 35,409.03 = 15,047.49 : x
  2. Step 2: Convert to fraction form
    25,654.44/35,409.03 = 15,047.49/x
  3. Step 3: Cross multiply
    25,654.44x = 35,409.03 × 15,047.49
  4. Step 4: Simplify right side
    25,654.44x = 532,817,214.05
  5. Step 5: Solve for x
    x = 532,817,214.05/25,654.44
  6. Step 6: Final answer
    x = 20,769.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.