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Finding the Fourth Proportional to 64,742, 97,113.03 and 17,995.28

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Solution

The fourth proportional to 64,742, 97,113.03 and 17,995.28 is: 26,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,742 : 97,113.03 = 17,995.28 : x
  2. Step 2: Convert to fraction form
    64,742/97,113.03 = 17,995.28/x
  3. Step 3: Cross multiply
    64,742x = 97,113.03 × 17,995.28
  4. Step 4: Simplify right side
    64,742x = 1,747,576,166.50
  5. Step 5: Solve for x
    x = 1,747,576,166.50/64,742
  6. Step 6: Final answer
    x = 26,992.93

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Double scale
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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.