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Finding the Fourth Proportional to 56,533.50, 84,801.87 and 14,980.50

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Solution

The fourth proportional to 56,533.50, 84,801.87 and 14,980.50 is: 22,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,533.50 : 84,801.87 = 14,980.50 : x
  2. Step 2: Convert to fraction form
    56,533.50/84,801.87 = 14,980.50/x
  3. Step 3: Cross multiply
    56,533.50x = 84,801.87 × 14,980.50
  4. Step 4: Simplify right side
    56,533.50x = 1,270,374,413.54
  5. Step 5: Solve for x
    x = 1,270,374,413.54/56,533.50
  6. Step 6: Final answer
    x = 22,471.18

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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.