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Finding the Fourth Proportional to 64,768.80, 97,095.60 and 25,316.96

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Solution

The fourth proportional to 64,768.80, 97,095.60 and 25,316.96 is: 37,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,768.80 : 97,095.60 = 25,316.96 : x
  2. Step 2: Convert to fraction form
    64,768.80/97,095.60 = 25,316.96/x
  3. Step 3: Cross multiply
    64,768.80x = 97,095.60 × 25,316.96
  4. Step 4: Simplify right side
    64,768.80x = 2,458,165,421.38
  5. Step 5: Solve for x
    x = 2,458,165,421.38/64,768.80
  6. Step 6: Final answer
    x = 37,952.93

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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.