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Finding the Fourth Proportional to 66,460.41, 99,707.01 and 19,713.27

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Solution

The fourth proportional to 66,460.41, 99,707.01 and 19,713.27 is: 29,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460.41 : 99,707.01 = 19,713.27 : x
  2. Step 2: Convert to fraction form
    66,460.41/99,707.01 = 19,713.27/x
  3. Step 3: Cross multiply
    66,460.41x = 99,707.01 × 19,713.27
  4. Step 4: Simplify right side
    66,460.41x = 1,965,551,209.02
  5. Step 5: Solve for x
    x = 1,965,551,209.02/66,460.41
  6. Step 6: Final answer
    x = 29,574.77

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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.