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Finding the Fourth Proportional to 53,875.34, 80,825.74 and 16,939.34

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Solution

The fourth proportional to 53,875.34, 80,825.74 and 16,939.34 is: 25,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,875.34 : 80,825.74 = 16,939.34 : x
  2. Step 2: Convert to fraction form
    53,875.34/80,825.74 = 16,939.34/x
  3. Step 3: Cross multiply
    53,875.34x = 80,825.74 × 16,939.34
  4. Step 4: Simplify right side
    53,875.34x = 1,369,134,690.61
  5. Step 5: Solve for x
    x = 1,369,134,690.61/53,875.34
  6. Step 6: Final answer
    x = 25,413.01

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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.