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Finding the Fourth Proportional to 8,599.53, 12,899.31 and 2,359.63

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Solution

The fourth proportional to 8,599.53, 12,899.31 and 2,359.63 is: 3,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.53 : 12,899.31 = 2,359.63 : x
  2. Step 2: Convert to fraction form
    8,599.53/12,899.31 = 2,359.63/x
  3. Step 3: Cross multiply
    8,599.53x = 12,899.31 × 2,359.63
  4. Step 4: Simplify right side
    8,599.53x = 30,437,566.61
  5. Step 5: Solve for x
    x = 30,437,566.61/8,599.53
  6. Step 6: Final answer
    x = 3,539.45

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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.