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Finding the Fourth Proportional to 59,884.64, 89,728.44 and 47,484.32

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Solution

The fourth proportional to 59,884.64, 89,728.44 and 47,484.32 is: 71,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,884.64 : 89,728.44 = 47,484.32 : x
  2. Step 2: Convert to fraction form
    59,884.64/89,728.44 = 47,484.32/x
  3. Step 3: Cross multiply
    59,884.64x = 89,728.44 × 47,484.32
  4. Step 4: Simplify right side
    59,884.64x = 4,260,693,958.06
  5. Step 5: Solve for x
    x = 4,260,693,958.06/59,884.64
  6. Step 6: Final answer
    x = 71,148.36

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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.