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Finding the Fourth Proportional to 32,080.79, 48,117.43 and 12,345.55

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Solution

The fourth proportional to 32,080.79, 48,117.43 and 12,345.55 is: 18,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,080.79 : 48,117.43 = 12,345.55 : x
  2. Step 2: Convert to fraction form
    32,080.79/48,117.43 = 12,345.55/x
  3. Step 3: Cross multiply
    32,080.79x = 48,117.43 × 12,345.55
  4. Step 4: Simplify right side
    32,080.79x = 594,035,835.62
  5. Step 5: Solve for x
    x = 594,035,835.62/32,080.79
  6. Step 6: Final answer
    x = 18,516.87

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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.