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Finding the Fourth Proportional to 52,472.46, 72,413.52 and 28,600.68

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Solution

The fourth proportional to 52,472.46, 72,413.52 and 28,600.68 is: 39,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,472.46 : 72,413.52 = 28,600.68 : x
  2. Step 2: Convert to fraction form
    52,472.46/72,413.52 = 28,600.68/x
  3. Step 3: Cross multiply
    52,472.46x = 72,413.52 × 28,600.68
  4. Step 4: Simplify right side
    52,472.46x = 2,071,075,913.19
  5. Step 5: Solve for x
    x = 2,071,075,913.19/52,472.46
  6. Step 6: Final answer
    x = 39,469.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.