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Finding the Fourth Proportional to 8,756.76, 13,157.88 and 6,585.96

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Solution

The fourth proportional to 8,756.76, 13,157.88 and 6,585.96 is: 9,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.76 : 13,157.88 = 6,585.96 : x
  2. Step 2: Convert to fraction form
    8,756.76/13,157.88 = 6,585.96/x
  3. Step 3: Cross multiply
    8,756.76x = 13,157.88 × 6,585.96
  4. Step 4: Simplify right side
    8,756.76x = 86,657,271.36
  5. Step 5: Solve for x
    x = 86,657,271.36/8,756.76
  6. Step 6: Final answer
    x = 9,896.04

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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.