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Finding the Fourth Proportional to 48,614.96, 72,916.29 and 19,053.56

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Solution

The fourth proportional to 48,614.96, 72,916.29 and 19,053.56 is: 28,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,614.96 : 72,916.29 = 19,053.56 : x
  2. Step 2: Convert to fraction form
    48,614.96/72,916.29 = 19,053.56/x
  3. Step 3: Cross multiply
    48,614.96x = 72,916.29 × 19,053.56
  4. Step 4: Simplify right side
    48,614.96x = 1,389,314,541.91
  5. Step 5: Solve for x
    x = 1,389,314,541.91/48,614.96
  6. Step 6: Final answer
    x = 28,577.93

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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.