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Finding the Fourth Proportional to 35,447.94, 53,194.08 and 14,387.98

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Solution

The fourth proportional to 35,447.94, 53,194.08 and 14,387.98 is: 21,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.94 : 53,194.08 = 14,387.98 : x
  2. Step 2: Convert to fraction form
    35,447.94/53,194.08 = 14,387.98/x
  3. Step 3: Cross multiply
    35,447.94x = 53,194.08 × 14,387.98
  4. Step 4: Simplify right side
    35,447.94x = 765,355,359.16
  5. Step 5: Solve for x
    x = 765,355,359.16/35,447.94
  6. Step 6: Final answer
    x = 21,590.97

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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.