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Finding the Fourth Proportional to 17,232,621.40, 25,813,502.70 and 11,847,352.60

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Solution

The fourth proportional to 17,232,621.40, 25,813,502.70 and 11,847,352.60 is: 17,746,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,232,621.40 : 25,813,502.70 = 11,847,352.60 : x
  2. Step 2: Convert to fraction form
    17,232,621.40/25,813,502.70 = 11,847,352.60/x
  3. Step 3: Cross multiply
    17,232,621.40x = 25,813,502.70 × 11,847,352.60
  4. Step 4: Simplify right side
    17,232,621.40x = 305,821,668,327,952
  5. Step 5: Solve for x
    x = 305,821,668,327,952/17,232,621.40
  6. Step 6: Final answer
    x = 17,746,671.34

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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.