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Finding the Fourth Proportional to 55,807.80, 83,538.90 and 32,364.60

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Solution

The fourth proportional to 55,807.80, 83,538.90 and 32,364.60 is: 48,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,807.80 : 83,538.90 = 32,364.60 : x
  2. Step 2: Convert to fraction form
    55,807.80/83,538.90 = 32,364.60/x
  3. Step 3: Cross multiply
    55,807.80x = 83,538.90 × 32,364.60
  4. Step 4: Simplify right side
    55,807.80x = 2,703,703,082.94
  5. Step 5: Solve for x
    x = 2,703,703,082.94/55,807.80
  6. Step 6: Final answer
    x = 48,446.69

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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.