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Finding the Fourth Proportional to 24,598.90, 33,946.86 and 13,420.90

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Solution

The fourth proportional to 24,598.90, 33,946.86 and 13,420.90 is: 18,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,598.90 : 33,946.86 = 13,420.90 : x
  2. Step 2: Convert to fraction form
    24,598.90/33,946.86 = 13,420.90/x
  3. Step 3: Cross multiply
    24,598.90x = 33,946.86 × 13,420.90
  4. Step 4: Simplify right side
    24,598.90x = 455,597,413.37
  5. Step 5: Solve for x
    x = 455,597,413.37/24,598.90
  6. Step 6: Final answer
    x = 18,521.05

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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.