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Finding the Fourth Proportional to 37,563.70, 56,339.88 and 12,599.50

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Solution

The fourth proportional to 37,563.70, 56,339.88 and 12,599.50 is: 18,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,563.70 : 56,339.88 = 12,599.50 : x
  2. Step 2: Convert to fraction form
    37,563.70/56,339.88 = 12,599.50/x
  3. Step 3: Cross multiply
    37,563.70x = 56,339.88 × 12,599.50
  4. Step 4: Simplify right side
    37,563.70x = 709,854,318.06
  5. Step 5: Solve for x
    x = 709,854,318.06/37,563.70
  6. Step 6: Final answer
    x = 18,897.35

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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.