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Finding the Fourth Proportional to 8,798.36, 12,141.58 and 4,819.40

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Solution

The fourth proportional to 8,798.36, 12,141.58 and 4,819.40 is: 6,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.36 : 12,141.58 = 4,819.40 : x
  2. Step 2: Convert to fraction form
    8,798.36/12,141.58 = 4,819.40/x
  3. Step 3: Cross multiply
    8,798.36x = 12,141.58 × 4,819.40
  4. Step 4: Simplify right side
    8,798.36x = 58,515,130.65
  5. Step 5: Solve for x
    x = 58,515,130.65/8,798.36
  6. Step 6: Final answer
    x = 6,650.69

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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.