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Finding the Fourth Proportional to 77,804.66, 107,336.48 and 47,591.30

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Solution

The fourth proportional to 77,804.66, 107,336.48 and 47,591.30 is: 65,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,804.66 : 107,336.48 = 47,591.30 : x
  2. Step 2: Convert to fraction form
    77,804.66/107,336.48 = 47,591.30/x
  3. Step 3: Cross multiply
    77,804.66x = 107,336.48 × 47,591.30
  4. Step 4: Simplify right side
    77,804.66x = 5,108,282,620.62
  5. Step 5: Solve for x
    x = 5,108,282,620.62/77,804.66
  6. Step 6: Final answer
    x = 65,655.23

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1.5x scale

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.