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Finding the Fourth Proportional to 34,357.88, 47,413.56 and 19,251.20

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Solution

The fourth proportional to 34,357.88, 47,413.56 and 19,251.20 is: 26,566.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,357.88 : 47,413.56 = 19,251.20 : x
  2. Step 2: Convert to fraction form
    34,357.88/47,413.56 = 19,251.20/x
  3. Step 3: Cross multiply
    34,357.88x = 47,413.56 × 19,251.20
  4. Step 4: Simplify right side
    34,357.88x = 912,767,926.27
  5. Step 5: Solve for x
    x = 912,767,926.27/34,357.88
  6. Step 6: Final answer
    x = 26,566.48

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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.