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Finding the Fourth Proportional to 15,971.60, 23,957.60 and 8,950.52

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Solution

The fourth proportional to 15,971.60, 23,957.60 and 8,950.52 is: 13,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971.60 : 23,957.60 = 8,950.52 : x
  2. Step 2: Convert to fraction form
    15,971.60/23,957.60 = 8,950.52/x
  3. Step 3: Cross multiply
    15,971.60x = 23,957.60 × 8,950.52
  4. Step 4: Simplify right side
    15,971.60x = 214,432,813.41
  5. Step 5: Solve for x
    x = 214,432,813.41/15,971.60
  6. Step 6: Final answer
    x = 13,425.89

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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.