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Finding the Fourth Proportional to 64,702.24, 97,053.44 and 17,955.16

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Solution

The fourth proportional to 64,702.24, 97,053.44 and 17,955.16 is: 26,932.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,702.24 : 97,053.44 = 17,955.16 : x
  2. Step 2: Convert to fraction form
    64,702.24/97,053.44 = 17,955.16/x
  3. Step 3: Cross multiply
    64,702.24x = 97,053.44 × 17,955.16
  4. Step 4: Simplify right side
    64,702.24x = 1,742,610,043.75
  5. Step 5: Solve for x
    x = 1,742,610,043.75/64,702.24
  6. Step 6: Final answer
    x = 26,932.76

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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.