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Finding the Fourth Proportional to 64,950.60, 97,405.65 and 25,519.80

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Solution

The fourth proportional to 64,950.60, 97,405.65 and 25,519.80 is: 38,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,950.60 : 97,405.65 = 25,519.80 : x
  2. Step 2: Convert to fraction form
    64,950.60/97,405.65 = 25,519.80/x
  3. Step 3: Cross multiply
    64,950.60x = 97,405.65 × 25,519.80
  4. Step 4: Simplify right side
    64,950.60x = 2,485,772,706.87
  5. Step 5: Solve for x
    x = 2,485,772,706.87/64,950.60
  6. Step 6: Final answer
    x = 38,271.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.