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Finding the Fourth Proportional to 64,698.76, 97,047.60 and 17,951.64

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Solution

The fourth proportional to 64,698.76, 97,047.60 and 17,951.64 is: 26,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,698.76 : 97,047.60 = 17,951.64 : x
  2. Step 2: Convert to fraction form
    64,698.76/97,047.60 = 17,951.64/x
  3. Step 3: Cross multiply
    64,698.76x = 97,047.60 × 17,951.64
  4. Step 4: Simplify right side
    64,698.76x = 1,742,163,578.06
  5. Step 5: Solve for x
    x = 1,742,163,578.06/64,698.76
  6. Step 6: Final answer
    x = 26,927.31

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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.