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Finding the Fourth Proportional to 8,798.76, 12,142.31 and 5,262.03

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Solution

The fourth proportional to 8,798.76, 12,142.31 and 5,262.03 is: 7,261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.76 : 12,142.31 = 5,262.03 : x
  2. Step 2: Convert to fraction form
    8,798.76/12,142.31 = 5,262.03/x
  3. Step 3: Cross multiply
    8,798.76x = 12,142.31 × 5,262.03
  4. Step 4: Simplify right side
    8,798.76x = 63,893,173.18
  5. Step 5: Solve for x
    x = 63,893,173.18/8,798.76
  6. Step 6: Final answer
    x = 7,261.61

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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.