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Finding the Fourth Proportional to 58,880.32, 88,311.84 and 19,464.64

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Solution

The fourth proportional to 58,880.32, 88,311.84 and 19,464.64 is: 29,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,880.32 : 88,311.84 = 19,464.64 : x
  2. Step 2: Convert to fraction form
    58,880.32/88,311.84 = 19,464.64/x
  3. Step 3: Cross multiply
    58,880.32x = 88,311.84 × 19,464.64
  4. Step 4: Simplify right side
    58,880.32x = 1,718,958,173.34
  5. Step 5: Solve for x
    x = 1,718,958,173.34/58,880.32
  6. Step 6: Final answer
    x = 29,194.10

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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.