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Finding the Fourth Proportional to 15,599.71, 23,401.05 and 5,739.18

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Solution

The fourth proportional to 15,599.71, 23,401.05 and 5,739.18 is: 8,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599.71 : 23,401.05 = 5,739.18 : x
  2. Step 2: Convert to fraction form
    15,599.71/23,401.05 = 5,739.18/x
  3. Step 3: Cross multiply
    15,599.71x = 23,401.05 × 5,739.18
  4. Step 4: Simplify right side
    15,599.71x = 134,302,838.14
  5. Step 5: Solve for x
    x = 134,302,838.14/15,599.71
  6. Step 6: Final answer
    x = 8,609.32

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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.