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Finding the Fourth Proportional to 32,975.95, 45,509.04 and 18,630.81

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Solution

The fourth proportional to 32,975.95, 45,509.04 and 18,630.81 is: 25,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,975.95 : 45,509.04 = 18,630.81 : x
  2. Step 2: Convert to fraction form
    32,975.95/45,509.04 = 18,630.81/x
  3. Step 3: Cross multiply
    32,975.95x = 45,509.04 × 18,630.81
  4. Step 4: Simplify right side
    32,975.95x = 847,870,049.98
  5. Step 5: Solve for x
    x = 847,870,049.98/32,975.95
  6. Step 6: Final answer
    x = 25,711.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.