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Finding the Fourth Proportional to 48,670.93, 73,006.94 and 15,390.19

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Solution

The fourth proportional to 48,670.93, 73,006.94 and 15,390.19 is: 23,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,670.93 : 73,006.94 = 15,390.19 : x
  2. Step 2: Convert to fraction form
    48,670.93/73,006.94 = 15,390.19/x
  3. Step 3: Cross multiply
    48,670.93x = 73,006.94 × 15,390.19
  4. Step 4: Simplify right side
    48,670.93x = 1,123,590,677.92
  5. Step 5: Solve for x
    x = 1,123,590,677.92/48,670.93
  6. Step 6: Final answer
    x = 23,085.46

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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.