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Finding the Fourth Proportional to 32,405.98, 48,609.74 and 8,713.57

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Solution

The fourth proportional to 32,405.98, 48,609.74 and 8,713.57 is: 13,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,405.98 : 48,609.74 = 8,713.57 : x
  2. Step 2: Convert to fraction form
    32,405.98/48,609.74 = 8,713.57/x
  3. Step 3: Cross multiply
    32,405.98x = 48,609.74 × 8,713.57
  4. Step 4: Simplify right side
    32,405.98x = 423,564,328.60
  5. Step 5: Solve for x
    x = 423,564,328.60/32,405.98
  6. Step 6: Final answer
    x = 13,070.56

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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.