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Finding the Fourth Proportional to 56,907.34, 85,318.74 and 27,296.98

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Solution

The fourth proportional to 56,907.34, 85,318.74 and 27,296.98 is: 40,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,907.34 : 85,318.74 = 27,296.98 : x
  2. Step 2: Convert to fraction form
    56,907.34/85,318.74 = 27,296.98/x
  3. Step 3: Cross multiply
    56,907.34x = 85,318.74 × 27,296.98
  4. Step 4: Simplify right side
    56,907.34x = 2,328,943,939.41
  5. Step 5: Solve for x
    x = 2,328,943,939.41/56,907.34
  6. Step 6: Final answer
    x = 40,925.19

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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.