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Finding the Fourth Proportional to 47,030.88, 64,903.68 and 25,811.50

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Solution

The fourth proportional to 47,030.88, 64,903.68 and 25,811.50 is: 35,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,030.88 : 64,903.68 = 25,811.50 : x
  2. Step 2: Convert to fraction form
    47,030.88/64,903.68 = 25,811.50/x
  3. Step 3: Cross multiply
    47,030.88x = 64,903.68 × 25,811.50
  4. Step 4: Simplify right side
    47,030.88x = 1,675,261,336.32
  5. Step 5: Solve for x
    x = 1,675,261,336.32/47,030.88
  6. Step 6: Final answer
    x = 35,620.45

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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.