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Finding the Fourth Proportional to 58,206.88, 87,310.86 and 23,155.48

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Solution

The fourth proportional to 58,206.88, 87,310.86 and 23,155.48 is: 34,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,206.88 : 87,310.86 = 23,155.48 : x
  2. Step 2: Convert to fraction form
    58,206.88/87,310.86 = 23,155.48/x
  3. Step 3: Cross multiply
    58,206.88x = 87,310.86 × 23,155.48
  4. Step 4: Simplify right side
    58,206.88x = 2,021,724,872.51
  5. Step 5: Solve for x
    x = 2,021,724,872.51/58,206.88
  6. Step 6: Final answer
    x = 34,733.43

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Double scale
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Similar ratio
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1.5x scale

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.