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Finding the Fourth Proportional to 56,595.76, 78,106.80 and 36,494.50

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Solution

The fourth proportional to 56,595.76, 78,106.80 and 36,494.50 is: 50,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,595.76 : 78,106.80 = 36,494.50 : x
  2. Step 2: Convert to fraction form
    56,595.76/78,106.80 = 36,494.50/x
  3. Step 3: Cross multiply
    56,595.76x = 78,106.80 × 36,494.50
  4. Step 4: Simplify right side
    56,595.76x = 2,850,468,612.60
  5. Step 5: Solve for x
    x = 2,850,468,612.60/56,595.76
  6. Step 6: Final answer
    x = 50,365.41

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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.