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Finding the Fourth Proportional to 64,743, 97,114.53 and 17,996.28

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Solution

The fourth proportional to 64,743, 97,114.53 and 17,996.28 is: 26,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,743 : 97,114.53 = 17,996.28 : x
  2. Step 2: Convert to fraction form
    64,743/97,114.53 = 17,996.28/x
  3. Step 3: Cross multiply
    64,743x = 97,114.53 × 17,996.28
  4. Step 4: Simplify right side
    64,743x = 1,747,700,273.95
  5. Step 5: Solve for x
    x = 1,747,700,273.95/64,743
  6. Step 6: Final answer
    x = 26,994.43

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1.5x scale

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.