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Finding the Fourth Proportional to 30,982,371.04, 46,431,040.80 and 19,602,447.84

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Solution

The fourth proportional to 30,982,371.04, 46,431,040.80 and 19,602,447.84 is: 29,376,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982,371.04 : 46,431,040.80 = 19,602,447.84 : x
  2. Step 2: Convert to fraction form
    30,982,371.04/46,431,040.80 = 19,602,447.84/x
  3. Step 3: Cross multiply
    30,982,371.04x = 46,431,040.80 × 19,602,447.84
  4. Step 4: Simplify right side
    30,982,371.04x = 910,162,055,438,911.75
  5. Step 5: Solve for x
    x = 910,162,055,438,911.75/30,982,371.04
  6. Step 6: Final answer
    x = 29,376,772.17

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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.