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Finding the Fourth Proportional to 64,633.52, 96,947.46 and 20,259.26

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Solution

The fourth proportional to 64,633.52, 96,947.46 and 20,259.26 is: 30,388.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,633.52 : 96,947.46 = 20,259.26 : x
  2. Step 2: Convert to fraction form
    64,633.52/96,947.46 = 20,259.26/x
  3. Step 3: Cross multiply
    64,633.52x = 96,947.46 × 20,259.26
  4. Step 4: Simplify right side
    64,633.52x = 1,964,083,798.48
  5. Step 5: Solve for x
    x = 1,964,083,798.48/64,633.52
  6. Step 6: Final answer
    x = 30,388.01

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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.