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Finding the Fourth Proportional to 18,056.56, 24,966.48 and 15,842.56

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Solution

The fourth proportional to 18,056.56, 24,966.48 and 15,842.56 is: 21,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.56 : 24,966.48 = 15,842.56 : x
  2. Step 2: Convert to fraction form
    18,056.56/24,966.48 = 15,842.56/x
  3. Step 3: Cross multiply
    18,056.56x = 24,966.48 × 15,842.56
  4. Step 4: Simplify right side
    18,056.56x = 395,532,957.39
  5. Step 5: Solve for x
    x = 395,532,957.39/18,056.56
  6. Step 6: Final answer
    x = 21,905.22

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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.