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Finding the Fourth Proportional to 10,599.58, 15,881.40 and 6,426.88

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Solution

The fourth proportional to 10,599.58, 15,881.40 and 6,426.88 is: 9,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,599.58 : 15,881.40 = 6,426.88 : x
  2. Step 2: Convert to fraction form
    10,599.58/15,881.40 = 6,426.88/x
  3. Step 3: Cross multiply
    10,599.58x = 15,881.40 × 6,426.88
  4. Step 4: Simplify right side
    10,599.58x = 102,067,852.03
  5. Step 5: Solve for x
    x = 102,067,852.03/10,599.58
  6. Step 6: Final answer
    x = 9,629.42

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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.