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Finding the Fourth Proportional to 53,857.80, 80,798.34 and 16,416.90

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Solution

The fourth proportional to 53,857.80, 80,798.34 and 16,416.90 is: 24,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,857.80 : 80,798.34 = 16,416.90 : x
  2. Step 2: Convert to fraction form
    53,857.80/80,798.34 = 16,416.90/x
  3. Step 3: Cross multiply
    53,857.80x = 80,798.34 × 16,416.90
  4. Step 4: Simplify right side
    53,857.80x = 1,326,458,267.95
  5. Step 5: Solve for x
    x = 1,326,458,267.95/53,857.80
  6. Step 6: Final answer
    x = 24,628.90

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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.