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Finding the Fourth Proportional to 58,369.92, 87,557.44 and 21,413.76

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Solution

The fourth proportional to 58,369.92, 87,557.44 and 21,413.76 is: 32,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,369.92 : 87,557.44 = 21,413.76 : x
  2. Step 2: Convert to fraction form
    58,369.92/87,557.44 = 21,413.76/x
  3. Step 3: Cross multiply
    58,369.92x = 87,557.44 × 21,413.76
  4. Step 4: Simplify right side
    58,369.92x = 1,874,934,006.37
  5. Step 5: Solve for x
    x = 1,874,934,006.37/58,369.92
  6. Step 6: Final answer
    x = 32,121.58

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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.