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Finding the Fourth Proportional to 57,009.40, 85,506.40 and 14,892.43

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Solution

The fourth proportional to 57,009.40, 85,506.40 and 14,892.43 is: 22,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,009.40 : 85,506.40 = 14,892.43 : x
  2. Step 2: Convert to fraction form
    57,009.40/85,506.40 = 14,892.43/x
  3. Step 3: Cross multiply
    57,009.40x = 85,506.40 × 14,892.43
  4. Step 4: Simplify right side
    57,009.40x = 1,273,398,076.55
  5. Step 5: Solve for x
    x = 1,273,398,076.55/57,009.40
  6. Step 6: Final answer
    x = 22,336.63

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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.