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Finding the Fourth Proportional to 53,873.88, 80,816.30 and 14,434.98

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Solution

The fourth proportional to 53,873.88, 80,816.30 and 14,434.98 is: 21,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,873.88 : 80,816.30 = 14,434.98 : x
  2. Step 2: Convert to fraction form
    53,873.88/80,816.30 = 14,434.98/x
  3. Step 3: Cross multiply
    53,873.88x = 80,816.30 × 14,434.98
  4. Step 4: Simplify right side
    53,873.88x = 1,166,581,674.17
  5. Step 5: Solve for x
    x = 1,166,581,674.17/53,873.88
  6. Step 6: Final answer
    x = 21,653.94

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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.