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Finding the Fourth Proportional to 32,203.44, 48,312.72 and 12,483.72

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Solution

The fourth proportional to 32,203.44, 48,312.72 and 12,483.72 is: 18,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,203.44 : 48,312.72 = 12,483.72 : x
  2. Step 2: Convert to fraction form
    32,203.44/48,312.72 = 12,483.72/x
  3. Step 3: Cross multiply
    32,203.44x = 48,312.72 × 12,483.72
  4. Step 4: Simplify right side
    32,203.44x = 603,122,468.92
  5. Step 5: Solve for x
    x = 603,122,468.92/32,203.44
  6. Step 6: Final answer
    x = 18,728.51

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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.