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Finding the Fourth Proportional to 22,285,808.40, 31,162,340.40 and 22,285,808.40

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Solution

The fourth proportional to 22,285,808.40, 31,162,340.40 and 22,285,808.40 is: 31,162,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,285,808.40 : 31,162,340.40 = 22,285,808.40 : x
  2. Step 2: Convert to fraction form
    22,285,808.40/31,162,340.40 = 22,285,808.40/x
  3. Step 3: Cross multiply
    22,285,808.40x = 31,162,340.40 × 22,285,808.40
  4. Step 4: Simplify right side
    22,285,808.40x = 694,477,947,449,979.25
  5. Step 5: Solve for x
    x = 694,477,947,449,979.25/22,285,808.40
  6. Step 6: Final answer
    x = 31,162,340.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.