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Finding the Fourth Proportional to 58,823.62, 81,172.33 and 33,330.49

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Solution

The fourth proportional to 58,823.62, 81,172.33 and 33,330.49 is: 45,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,823.62 : 81,172.33 = 33,330.49 : x
  2. Step 2: Convert to fraction form
    58,823.62/81,172.33 = 33,330.49/x
  3. Step 3: Cross multiply
    58,823.62x = 81,172.33 × 33,330.49
  4. Step 4: Simplify right side
    58,823.62x = 2,705,513,247.08
  5. Step 5: Solve for x
    x = 2,705,513,247.08/58,823.62
  6. Step 6: Final answer
    x = 45,993.66

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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.