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Finding the Fourth Proportional to 58,485.39, 87,675.01 and 30,372.57

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Solution

The fourth proportional to 58,485.39, 87,675.01 and 30,372.57 is: 45,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,485.39 : 87,675.01 = 30,372.57 : x
  2. Step 2: Convert to fraction form
    58,485.39/87,675.01 = 30,372.57/x
  3. Step 3: Cross multiply
    58,485.39x = 87,675.01 × 30,372.57
  4. Step 4: Simplify right side
    58,485.39x = 2,662,915,302.54
  5. Step 5: Solve for x
    x = 2,662,915,302.54/58,485.39
  6. Step 6: Final answer
    x = 45,531.29

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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.