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Finding the Fourth Proportional to 19,413.30, 29,114.19 and 15,525.30

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Solution

The fourth proportional to 19,413.30, 29,114.19 and 15,525.30 is: 23,283.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.30 : 29,114.19 = 15,525.30 : x
  2. Step 2: Convert to fraction form
    19,413.30/29,114.19 = 15,525.30/x
  3. Step 3: Cross multiply
    19,413.30x = 29,114.19 × 15,525.30
  4. Step 4: Simplify right side
    19,413.30x = 452,006,534.01
  5. Step 5: Solve for x
    x = 452,006,534.01/19,413.30
  6. Step 6: Final answer
    x = 23,283.34

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1.5x scale

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.