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Finding the Fourth Proportional to 53,852.69, 80,777.88 and 14,409.80

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Solution

The fourth proportional to 53,852.69, 80,777.88 and 14,409.80 is: 21,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,852.69 : 80,777.88 = 14,409.80 : x
  2. Step 2: Convert to fraction form
    53,852.69/80,777.88 = 14,409.80/x
  3. Step 3: Cross multiply
    53,852.69x = 80,777.88 × 14,409.80
  4. Step 4: Simplify right side
    53,852.69x = 1,163,993,095.22
  5. Step 5: Solve for x
    x = 1,163,993,095.22/53,852.69
  6. Step 6: Final answer
    x = 21,614.39

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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.