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Finding the Fourth Proportional to 58,794.81, 81,137.72 and 33,300.55

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Solution

The fourth proportional to 58,794.81, 81,137.72 and 33,300.55 is: 45,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,794.81 : 81,137.72 = 33,300.55 : x
  2. Step 2: Convert to fraction form
    58,794.81/81,137.72 = 33,300.55/x
  3. Step 3: Cross multiply
    58,794.81x = 81,137.72 × 33,300.55
  4. Step 4: Simplify right side
    58,794.81x = 2,701,930,129.55
  5. Step 5: Solve for x
    x = 2,701,930,129.55/58,794.81
  6. Step 6: Final answer
    x = 45,955.25

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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.