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Finding the Fourth Proportional to 48,903.57, 73,368.45 and 20,824.92

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Solution

The fourth proportional to 48,903.57, 73,368.45 and 20,824.92 is: 31,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,903.57 : 73,368.45 = 20,824.92 : x
  2. Step 2: Convert to fraction form
    48,903.57/73,368.45 = 20,824.92/x
  3. Step 3: Cross multiply
    48,903.57x = 73,368.45 × 20,824.92
  4. Step 4: Simplify right side
    48,903.57x = 1,527,892,101.77
  5. Step 5: Solve for x
    x = 1,527,892,101.77/48,903.57
  6. Step 6: Final answer
    x = 31,242.96

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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.