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Finding the Fourth Proportional to 66,477.94, 91,740.14 and 36,263.39

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Solution

The fourth proportional to 66,477.94, 91,740.14 and 36,263.39 is: 50,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,477.94 : 91,740.14 = 36,263.39 : x
  2. Step 2: Convert to fraction form
    66,477.94/91,740.14 = 36,263.39/x
  3. Step 3: Cross multiply
    66,477.94x = 91,740.14 × 36,263.39
  4. Step 4: Simplify right side
    66,477.94x = 3,326,808,475.47
  5. Step 5: Solve for x
    x = 3,326,808,475.47/66,477.94
  6. Step 6: Final answer
    x = 50,043.80

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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.