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Finding the Fourth Proportional to 15,801.64, 23,701.74 and 5,940.16

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Solution

The fourth proportional to 15,801.64, 23,701.74 and 5,940.16 is: 8,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,801.64 : 23,701.74 = 5,940.16 : x
  2. Step 2: Convert to fraction form
    15,801.64/23,701.74 = 5,940.16/x
  3. Step 3: Cross multiply
    15,801.64x = 23,701.74 × 5,940.16
  4. Step 4: Simplify right side
    15,801.64x = 140,792,127.88
  5. Step 5: Solve for x
    x = 140,792,127.88/15,801.64
  6. Step 6: Final answer
    x = 8,909.97

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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.