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Finding the Fourth Proportional to 66,383.01, 99,574.52 and 19,632.24

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Solution

The fourth proportional to 66,383.01, 99,574.52 and 19,632.24 is: 29,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,383.01 : 99,574.52 = 19,632.24 : x
  2. Step 2: Convert to fraction form
    66,383.01/99,574.52 = 19,632.24/x
  3. Step 3: Cross multiply
    66,383.01x = 99,574.52 × 19,632.24
  4. Step 4: Simplify right side
    66,383.01x = 1,954,870,776.36
  5. Step 5: Solve for x
    x = 1,954,870,776.36/66,383.01
  6. Step 6: Final answer
    x = 29,448.36

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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.