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Finding the Fourth Proportional to 64,700.75, 97,051.17 and 17,953.67

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Solution

The fourth proportional to 64,700.75, 97,051.17 and 17,953.67 is: 26,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,700.75 : 97,051.17 = 17,953.67 : x
  2. Step 2: Convert to fraction form
    64,700.75/97,051.17 = 17,953.67/x
  3. Step 3: Cross multiply
    64,700.75x = 97,051.17 × 17,953.67
  4. Step 4: Simplify right side
    64,700.75x = 1,742,424,679.29
  5. Step 5: Solve for x
    x = 1,742,424,679.29/64,700.75
  6. Step 6: Final answer
    x = 26,930.52

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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.