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Finding the Fourth Proportional to 22,698.40, 34,047.60 and 10,410.40

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Solution

The fourth proportional to 22,698.40, 34,047.60 and 10,410.40 is: 15,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,698.40 : 34,047.60 = 10,410.40 : x
  2. Step 2: Convert to fraction form
    22,698.40/34,047.60 = 10,410.40/x
  3. Step 3: Cross multiply
    22,698.40x = 34,047.60 × 10,410.40
  4. Step 4: Simplify right side
    22,698.40x = 354,449,135.04
  5. Step 5: Solve for x
    x = 354,449,135.04/22,698.40
  6. Step 6: Final answer
    x = 15,615.60

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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.