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Finding the Fourth Proportional to 15,799.98, 23,694.93 and 6,439.98

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Solution

The fourth proportional to 15,799.98, 23,694.93 and 6,439.98 is: 9,657.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,799.98 : 23,694.93 = 6,439.98 : x
  2. Step 2: Convert to fraction form
    15,799.98/23,694.93 = 6,439.98/x
  3. Step 3: Cross multiply
    15,799.98x = 23,694.93 × 6,439.98
  4. Step 4: Simplify right side
    15,799.98x = 152,594,875.30
  5. Step 5: Solve for x
    x = 152,594,875.30/15,799.98
  6. Step 6: Final answer
    x = 9,657.92

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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.