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Finding the Fourth Proportional to 64,698.75, 97,048.17 and 17,951.67

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Solution

The fourth proportional to 64,698.75, 97,048.17 and 17,951.67 is: 26,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,698.75 : 97,048.17 = 17,951.67 : x
  2. Step 2: Convert to fraction form
    64,698.75/97,048.17 = 17,951.67/x
  3. Step 3: Cross multiply
    64,698.75x = 97,048.17 × 17,951.67
  4. Step 4: Simplify right side
    64,698.75x = 1,742,176,721.94
  5. Step 5: Solve for x
    x = 1,742,176,721.94/64,698.75
  6. Step 6: Final answer
    x = 26,927.52

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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.