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Finding the Fourth Proportional to 11,887.95, 16,413.39 and 10,624.95

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Solution

The fourth proportional to 11,887.95, 16,413.39 and 10,624.95 is: 14,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.95 : 16,413.39 = 10,624.95 : x
  2. Step 2: Convert to fraction form
    11,887.95/16,413.39 = 10,624.95/x
  3. Step 3: Cross multiply
    11,887.95x = 16,413.39 × 10,624.95
  4. Step 4: Simplify right side
    11,887.95x = 174,391,448.08
  5. Step 5: Solve for x
    x = 174,391,448.08/11,887.95
  6. Step 6: Final answer
    x = 14,669.60

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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.