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Finding the Fourth Proportional to 53,395.58, 80,099.45 and 15,957.79

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Solution

The fourth proportional to 53,395.58, 80,099.45 and 15,957.79 is: 23,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,395.58 : 80,099.45 = 15,957.79 : x
  2. Step 2: Convert to fraction form
    53,395.58/80,099.45 = 15,957.79/x
  3. Step 3: Cross multiply
    53,395.58x = 80,099.45 × 15,957.79
  4. Step 4: Simplify right side
    53,395.58x = 1,278,210,202.22
  5. Step 5: Solve for x
    x = 1,278,210,202.22/53,395.58
  6. Step 6: Final answer
    x = 23,938.50

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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.