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Finding the Fourth Proportional to 15,987.30, 23,980.98 and 5,596.62

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Solution

The fourth proportional to 15,987.30, 23,980.98 and 5,596.62 is: 8,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.30 : 23,980.98 = 5,596.62 : x
  2. Step 2: Convert to fraction form
    15,987.30/23,980.98 = 5,596.62/x
  3. Step 3: Cross multiply
    15,987.30x = 23,980.98 × 5,596.62
  4. Step 4: Simplify right side
    15,987.30x = 134,212,432.29
  5. Step 5: Solve for x
    x = 134,212,432.29/15,987.30
  6. Step 6: Final answer
    x = 8,394.94

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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.