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Finding the Fourth Proportional to 56,413.13, 84,619.69 and 14,860.13

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Solution

The fourth proportional to 56,413.13, 84,619.69 and 14,860.13 is: 22,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,413.13 : 84,619.69 = 14,860.13 : x
  2. Step 2: Convert to fraction form
    56,413.13/84,619.69 = 14,860.13/x
  3. Step 3: Cross multiply
    56,413.13x = 84,619.69 × 14,860.13
  4. Step 4: Simplify right side
    56,413.13x = 1,257,459,133.71
  5. Step 5: Solve for x
    x = 1,257,459,133.71/56,413.13
  6. Step 6: Final answer
    x = 22,290.19

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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.