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Finding the Fourth Proportional to 8,598.40, 11,866.56 and 5,059.84

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Solution

The fourth proportional to 8,598.40, 11,866.56 and 5,059.84 is: 6,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.40 : 11,866.56 = 5,059.84 : x
  2. Step 2: Convert to fraction form
    8,598.40/11,866.56 = 5,059.84/x
  3. Step 3: Cross multiply
    8,598.40x = 11,866.56 × 5,059.84
  4. Step 4: Simplify right side
    8,598.40x = 60,042,894.95
  5. Step 5: Solve for x
    x = 60,042,894.95/8,598.40
  6. Step 6: Final answer
    x = 6,983.03

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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.