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Finding the Fourth Proportional to 47,978.94, 66,210.94 and 26,757.75

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Solution

The fourth proportional to 47,978.94, 66,210.94 and 26,757.75 is: 36,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,978.94 : 66,210.94 = 26,757.75 : x
  2. Step 2: Convert to fraction form
    47,978.94/66,210.94 = 26,757.75/x
  3. Step 3: Cross multiply
    47,978.94x = 66,210.94 × 26,757.75
  4. Step 4: Simplify right side
    47,978.94x = 1,771,655,646.00
  5. Step 5: Solve for x
    x = 1,771,655,646.00/47,978.94
  6. Step 6: Final answer
    x = 36,925.69

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