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Finding the Fourth Proportional to 58,315.60, 87,408.60 and 32,039.20

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Solution

The fourth proportional to 58,315.60, 87,408.60 and 32,039.20 is: 48,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,315.60 : 87,408.60 = 32,039.20 : x
  2. Step 2: Convert to fraction form
    58,315.60/87,408.60 = 32,039.20/x
  3. Step 3: Cross multiply
    58,315.60x = 87,408.60 × 32,039.20
  4. Step 4: Simplify right side
    58,315.60x = 2,800,501,617.12
  5. Step 5: Solve for x
    x = 2,800,501,617.12/58,315.60
  6. Step 6: Final answer
    x = 48,023.20

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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.