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Finding the Fourth Proportional to 64,021.65, 96,024.04 and 19,644.69

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Solution

The fourth proportional to 64,021.65, 96,024.04 and 19,644.69 is: 29,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,021.65 : 96,024.04 = 19,644.69 : x
  2. Step 2: Convert to fraction form
    64,021.65/96,024.04 = 19,644.69/x
  3. Step 3: Cross multiply
    64,021.65x = 96,024.04 × 19,644.69
  4. Step 4: Simplify right side
    64,021.65x = 1,886,362,542.35
  5. Step 5: Solve for x
    x = 1,886,362,542.35/64,021.65
  6. Step 6: Final answer
    x = 29,464.45

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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.