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Finding the Fourth Proportional to 5,870.04, 8,793.90 and 3,787.80

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Solution

The fourth proportional to 5,870.04, 8,793.90 and 3,787.80 is: 5,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.04 : 8,793.90 = 3,787.80 : x
  2. Step 2: Convert to fraction form
    5,870.04/8,793.90 = 3,787.80/x
  3. Step 3: Cross multiply
    5,870.04x = 8,793.90 × 3,787.80
  4. Step 4: Simplify right side
    5,870.04x = 33,309,534.42
  5. Step 5: Solve for x
    x = 33,309,534.42/5,870.04
  6. Step 6: Final answer
    x = 5,674.50

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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.