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Finding the Fourth Proportional to 15,954.40, 23,917.20 and 10,410.40

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Solution

The fourth proportional to 15,954.40, 23,917.20 and 10,410.40 is: 15,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.40 : 23,917.20 = 10,410.40 : x
  2. Step 2: Convert to fraction form
    15,954.40/23,917.20 = 10,410.40/x
  3. Step 3: Cross multiply
    15,954.40x = 23,917.20 × 10,410.40
  4. Step 4: Simplify right side
    15,954.40x = 248,987,618.88
  5. Step 5: Solve for x
    x = 248,987,618.88/15,954.40
  6. Step 6: Final answer
    x = 15,606.20

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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.