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Finding the Fourth Proportional to 58,937.08, 88,408.50 and 28,978.60

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Solution

The fourth proportional to 58,937.08, 88,408.50 and 28,978.60 is: 43,469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,937.08 : 88,408.50 = 28,978.60 : x
  2. Step 2: Convert to fraction form
    58,937.08/88,408.50 = 28,978.60/x
  3. Step 3: Cross multiply
    58,937.08x = 88,408.50 × 28,978.60
  4. Step 4: Simplify right side
    58,937.08x = 2,561,954,558.10
  5. Step 5: Solve for x
    x = 2,561,954,558.10/58,937.08
  6. Step 6: Final answer
    x = 43,469.32

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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.