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Finding the Fourth Proportional to 7,626.72, 11,417.04 and 5,898.72

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Solution

The fourth proportional to 7,626.72, 11,417.04 and 5,898.72 is: 8,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.72 : 11,417.04 = 5,898.72 : x
  2. Step 2: Convert to fraction form
    7,626.72/11,417.04 = 5,898.72/x
  3. Step 3: Cross multiply
    7,626.72x = 11,417.04 × 5,898.72
  4. Step 4: Simplify right side
    7,626.72x = 67,345,922.19
  5. Step 5: Solve for x
    x = 67,345,922.19/7,626.72
  6. Step 6: Final answer
    x = 8,830.26

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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.