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Finding the Fourth Proportional to 8,548, 11,798.24 and 5,558.66

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Solution

The fourth proportional to 8,548, 11,798.24 and 5,558.66 is: 7,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548 : 11,798.24 = 5,558.66 : x
  2. Step 2: Convert to fraction form
    8,548/11,798.24 = 5,558.66/x
  3. Step 3: Cross multiply
    8,548x = 11,798.24 × 5,558.66
  4. Step 4: Simplify right side
    8,548x = 65,582,404.76
  5. Step 5: Solve for x
    x = 65,582,404.76/8,548
  6. Step 6: Final answer
    x = 7,672.25

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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.