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Finding the Fourth Proportional to 56,470.05, 77,931.11 and 33,804.65

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Solution

The fourth proportional to 56,470.05, 77,931.11 and 33,804.65 is: 46,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,470.05 : 77,931.11 = 33,804.65 : x
  2. Step 2: Convert to fraction form
    56,470.05/77,931.11 = 33,804.65/x
  3. Step 3: Cross multiply
    56,470.05x = 77,931.11 × 33,804.65
  4. Step 4: Simplify right side
    56,470.05x = 2,634,434,177.00
  5. Step 5: Solve for x
    x = 2,634,434,177.00/56,470.05
  6. Step 6: Final answer
    x = 46,651.88

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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.