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Finding the Fourth Proportional to 14,068.17, 19,413.29 and 7,693.49

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Solution

The fourth proportional to 14,068.17, 19,413.29 and 7,693.49 is: 10,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.17 : 19,413.29 = 7,693.49 : x
  2. Step 2: Convert to fraction form
    14,068.17/19,413.29 = 7,693.49/x
  3. Step 3: Cross multiply
    14,068.17x = 19,413.29 × 7,693.49
  4. Step 4: Simplify right side
    14,068.17x = 149,355,816.95
  5. Step 5: Solve for x
    x = 149,355,816.95/14,068.17
  6. Step 6: Final answer
    x = 10,616.58

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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.