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Finding the Fourth Proportional to 53,597.84, 80,400.60 and 14,154.56

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Solution

The fourth proportional to 53,597.84, 80,400.60 and 14,154.56 is: 21,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,597.84 : 80,400.60 = 14,154.56 : x
  2. Step 2: Convert to fraction form
    53,597.84/80,400.60 = 14,154.56/x
  3. Step 3: Cross multiply
    53,597.84x = 80,400.60 × 14,154.56
  4. Step 4: Simplify right side
    53,597.84x = 1,138,035,116.74
  5. Step 5: Solve for x
    x = 1,138,035,116.74/53,597.84
  6. Step 6: Final answer
    x = 21,232.85

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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.