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Finding the Fourth Proportional to 8,597.79, 11,869.88 and 6,577.49

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Solution

The fourth proportional to 8,597.79, 11,869.88 and 6,577.49 is: 9,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.79 : 11,869.88 = 6,577.49 : x
  2. Step 2: Convert to fraction form
    8,597.79/11,869.88 = 6,577.49/x
  3. Step 3: Cross multiply
    8,597.79x = 11,869.88 × 6,577.49
  4. Step 4: Simplify right side
    8,597.79x = 78,073,924.76
  5. Step 5: Solve for x
    x = 78,073,924.76/8,597.79
  6. Step 6: Final answer
    x = 9,080.70

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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.