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Finding the Fourth Proportional to 59,957.37, 89,979.93 and 28,814.49

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Solution

The fourth proportional to 59,957.37, 89,979.93 and 28,814.49 is: 43,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,957.37 : 89,979.93 = 28,814.49 : x
  2. Step 2: Convert to fraction form
    59,957.37/89,979.93 = 28,814.49/x
  3. Step 3: Cross multiply
    59,957.37x = 89,979.93 × 28,814.49
  4. Step 4: Simplify right side
    59,957.37x = 2,592,725,793.19
  5. Step 5: Solve for x
    x = 2,592,725,793.19/59,957.37
  6. Step 6: Final answer
    x = 43,242.82

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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.