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Finding the Fourth Proportional to 59,892.60, 89,838.90 and 18,339.60

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Solution

The fourth proportional to 59,892.60, 89,838.90 and 18,339.60 is: 27,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,892.60 : 89,838.90 = 18,339.60 : x
  2. Step 2: Convert to fraction form
    59,892.60/89,838.90 = 18,339.60/x
  3. Step 3: Cross multiply
    59,892.60x = 89,838.90 × 18,339.60
  4. Step 4: Simplify right side
    59,892.60x = 1,647,609,490.44
  5. Step 5: Solve for x
    x = 1,647,609,490.44/59,892.60
  6. Step 6: Final answer
    x = 27,509.40

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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.