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Finding the Fourth Proportional to 19,956.36, 29,935.44 and 7,473.16

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Solution

The fourth proportional to 19,956.36, 29,935.44 and 7,473.16 is: 11,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.36 : 29,935.44 = 7,473.16 : x
  2. Step 2: Convert to fraction form
    19,956.36/29,935.44 = 7,473.16/x
  3. Step 3: Cross multiply
    19,956.36x = 29,935.44 × 7,473.16
  4. Step 4: Simplify right side
    19,956.36x = 223,712,332.79
  5. Step 5: Solve for x
    x = 223,712,332.79/19,956.36
  6. Step 6: Final answer
    x = 11,210.08

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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.