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Finding the Fourth Proportional to 32,873.80, 45,366.16 and 30,362.40

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Solution

The fourth proportional to 32,873.80, 45,366.16 and 30,362.40 is: 41,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,873.80 : 45,366.16 = 30,362.40 : x
  2. Step 2: Convert to fraction form
    32,873.80/45,366.16 = 30,362.40/x
  3. Step 3: Cross multiply
    32,873.80x = 45,366.16 × 30,362.40
  4. Step 4: Simplify right side
    32,873.80x = 1,377,425,496.38
  5. Step 5: Solve for x
    x = 1,377,425,496.38/32,873.80
  6. Step 6: Final answer
    x = 41,900.40

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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.