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Finding the Fourth Proportional to 7,866.03, 10,855.16 and 4,509.04

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Solution

The fourth proportional to 7,866.03, 10,855.16 and 4,509.04 is: 6,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.03 : 10,855.16 = 4,509.04 : x
  2. Step 2: Convert to fraction form
    7,866.03/10,855.16 = 4,509.04/x
  3. Step 3: Cross multiply
    7,866.03x = 10,855.16 × 4,509.04
  4. Step 4: Simplify right side
    7,866.03x = 48,946,350.65
  5. Step 5: Solve for x
    x = 48,946,350.65/7,866.03
  6. Step 6: Final answer
    x = 6,222.50

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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.