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Finding the Fourth Proportional to 8,583.81, 11,851.01 and 6,590.40

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Solution

The fourth proportional to 8,583.81, 11,851.01 and 6,590.40 is: 9,098.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.81 : 11,851.01 = 6,590.40 : x
  2. Step 2: Convert to fraction form
    8,583.81/11,851.01 = 6,590.40/x
  3. Step 3: Cross multiply
    8,583.81x = 11,851.01 × 6,590.40
  4. Step 4: Simplify right side
    8,583.81x = 78,102,896.30
  5. Step 5: Solve for x
    x = 78,102,896.30/8,583.81
  6. Step 6: Final answer
    x = 9,098.86

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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.