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Finding the Fourth Proportional to 50,602.56, 75,916.80 and 19,440.24

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Solution

The fourth proportional to 50,602.56, 75,916.80 and 19,440.24 is: 29,165.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,602.56 : 75,916.80 = 19,440.24 : x
  2. Step 2: Convert to fraction form
    50,602.56/75,916.80 = 19,440.24/x
  3. Step 3: Cross multiply
    50,602.56x = 75,916.80 × 19,440.24
  4. Step 4: Simplify right side
    50,602.56x = 1,475,840,812.03
  5. Step 5: Solve for x
    x = 1,475,840,812.03/50,602.56
  6. Step 6: Final answer
    x = 29,165.34

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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.