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Finding the Fourth Proportional to 64,699.76, 97,049.10 and 17,952.64

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Solution

The fourth proportional to 64,699.76, 97,049.10 and 17,952.64 is: 26,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,699.76 : 97,049.10 = 17,952.64 : x
  2. Step 2: Convert to fraction form
    64,699.76/97,049.10 = 17,952.64/x
  3. Step 3: Cross multiply
    64,699.76x = 97,049.10 × 17,952.64
  4. Step 4: Simplify right side
    64,699.76x = 1,742,287,554.62
  5. Step 5: Solve for x
    x = 1,742,287,554.62/64,699.76
  6. Step 6: Final answer
    x = 26,928.81

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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.