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Finding the Fourth Proportional to 58,172.99, 80,283.56 and 34,304.31

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Solution

The fourth proportional to 58,172.99, 80,283.56 and 34,304.31 is: 47,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,172.99 : 80,283.56 = 34,304.31 : x
  2. Step 2: Convert to fraction form
    58,172.99/80,283.56 = 34,304.31/x
  3. Step 3: Cross multiply
    58,172.99x = 80,283.56 × 34,304.31
  4. Step 4: Simplify right side
    58,172.99x = 2,754,071,958.62
  5. Step 5: Solve for x
    x = 2,754,071,958.62/58,172.99
  6. Step 6: Final answer
    x = 47,342.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.