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Finding the Fourth Proportional to 48,673.11, 72,981.72 and 19,056.27

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Solution

The fourth proportional to 48,673.11, 72,981.72 and 19,056.27 is: 28,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,673.11 : 72,981.72 = 19,056.27 : x
  2. Step 2: Convert to fraction form
    48,673.11/72,981.72 = 19,056.27/x
  3. Step 3: Cross multiply
    48,673.11x = 72,981.72 × 19,056.27
  4. Step 4: Simplify right side
    48,673.11x = 1,390,759,361.38
  5. Step 5: Solve for x
    x = 1,390,759,361.38/48,673.11
  6. Step 6: Final answer
    x = 28,573.46

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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.