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Finding the Fourth Proportional to 8,698.59, 13,047.88 and 4,998.46

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Solution

The fourth proportional to 8,698.59, 13,047.88 and 4,998.46 is: 7,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.59 : 13,047.88 = 4,998.46 : x
  2. Step 2: Convert to fraction form
    8,698.59/13,047.88 = 4,998.46/x
  3. Step 3: Cross multiply
    8,698.59x = 13,047.88 × 4,998.46
  4. Step 4: Simplify right side
    8,698.59x = 65,219,216.03
  5. Step 5: Solve for x
    x = 65,219,216.03/8,698.59
  6. Step 6: Final answer
    x = 7,497.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.