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Finding the Fourth Proportional to 64,271.49, 96,239.57 and 51,722.97

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Solution

The fourth proportional to 64,271.49, 96,239.57 and 51,722.97 is: 77,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,271.49 : 96,239.57 = 51,722.97 : x
  2. Step 2: Convert to fraction form
    64,271.49/96,239.57 = 51,722.97/x
  3. Step 3: Cross multiply
    64,271.49x = 96,239.57 × 51,722.97
  4. Step 4: Simplify right side
    64,271.49x = 4,977,796,133.31
  5. Step 5: Solve for x
    x = 4,977,796,133.31/64,271.49
  6. Step 6: Final answer
    x = 77,449.52

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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.