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Finding the Fourth Proportional to 5,812.65, 8,737.20 and 5,703.30

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Solution

The fourth proportional to 5,812.65, 8,737.20 and 5,703.30 is: 8,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.65 : 8,737.20 = 5,703.30 : x
  2. Step 2: Convert to fraction form
    5,812.65/8,737.20 = 5,703.30/x
  3. Step 3: Cross multiply
    5,812.65x = 8,737.20 × 5,703.30
  4. Step 4: Simplify right side
    5,812.65x = 49,830,872.76
  5. Step 5: Solve for x
    x = 49,830,872.76/5,812.65
  6. Step 6: Final answer
    x = 8,572.83

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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.