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Finding the Fourth Proportional to 58,908.81, 81,299.57 and 33,423.48

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Solution

The fourth proportional to 58,908.81, 81,299.57 and 33,423.48 is: 46,127.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,908.81 : 81,299.57 = 33,423.48 : x
  2. Step 2: Convert to fraction form
    58,908.81/81,299.57 = 33,423.48/x
  3. Step 3: Cross multiply
    58,908.81x = 81,299.57 × 33,423.48
  4. Step 4: Simplify right side
    58,908.81x = 2,717,314,551.90
  5. Step 5: Solve for x
    x = 2,717,314,551.90/58,908.81
  6. Step 6: Final answer
    x = 46,127.47

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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.