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Finding the Fourth Proportional to 8,798.96, 12,142.72 and 6,005.36

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Solution

The fourth proportional to 8,798.96, 12,142.72 and 6,005.36 is: 8,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.96 : 12,142.72 = 6,005.36 : x
  2. Step 2: Convert to fraction form
    8,798.96/12,142.72 = 6,005.36/x
  3. Step 3: Cross multiply
    8,798.96x = 12,142.72 × 6,005.36
  4. Step 4: Simplify right side
    8,798.96x = 72,921,404.98
  5. Step 5: Solve for x
    x = 72,921,404.98/8,798.96
  6. Step 6: Final answer
    x = 8,287.50

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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.