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Finding the Fourth Proportional to 64,702.14, 97,053.18 and 17,955

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Solution

The fourth proportional to 64,702.14, 97,053.18 and 17,955 is: 26,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,702.14 : 97,053.18 = 17,955 : x
  2. Step 2: Convert to fraction form
    64,702.14/97,053.18 = 17,955/x
  3. Step 3: Cross multiply
    64,702.14x = 97,053.18 × 17,955
  4. Step 4: Simplify right side
    64,702.14x = 1,742,589,846.90
  5. Step 5: Solve for x
    x = 1,742,589,846.90/64,702.14
  6. Step 6: Final answer
    x = 26,932.49

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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.