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Finding the Fourth Proportional to 50,541.04, 75,817.50 and 20,955.16

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Solution

The fourth proportional to 50,541.04, 75,817.50 and 20,955.16 is: 31,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,541.04 : 75,817.50 = 20,955.16 : x
  2. Step 2: Convert to fraction form
    50,541.04/75,817.50 = 20,955.16/x
  3. Step 3: Cross multiply
    50,541.04x = 75,817.50 × 20,955.16
  4. Step 4: Simplify right side
    50,541.04x = 1,588,767,843.30
  5. Step 5: Solve for x
    x = 1,588,767,843.30/50,541.04
  6. Step 6: Final answer
    x = 31,435.20

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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.