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Finding the Fourth Proportional to 58,299, 87,466.94 and 20,858.24

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Solution

The fourth proportional to 58,299, 87,466.94 and 20,858.24 is: 31,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,299 : 87,466.94 = 20,858.24 : x
  2. Step 2: Convert to fraction form
    58,299/87,466.94 = 20,858.24/x
  3. Step 3: Cross multiply
    58,299x = 87,466.94 × 20,858.24
  4. Step 4: Simplify right side
    58,299x = 1,824,406,426.59
  5. Step 5: Solve for x
    x = 1,824,406,426.59/58,299
  6. Step 6: Final answer
    x = 31,293.96

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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.