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Finding the Fourth Proportional to 56,597.58, 78,072.13 and 35,339.94

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Solution

The fourth proportional to 56,597.58, 78,072.13 and 35,339.94 is: 48,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,597.58 : 78,072.13 = 35,339.94 : x
  2. Step 2: Convert to fraction form
    56,597.58/78,072.13 = 35,339.94/x
  3. Step 3: Cross multiply
    56,597.58x = 78,072.13 × 35,339.94
  4. Step 4: Simplify right side
    56,597.58x = 2,759,064,389.87
  5. Step 5: Solve for x
    x = 2,759,064,389.87/56,597.58
  6. Step 6: Final answer
    x = 48,748.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.