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Finding the Fourth Proportional to 22,335,989.80, 31,206,612.80 and 22,335,989.80

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Solution

The fourth proportional to 22,335,989.80, 31,206,612.80 and 22,335,989.80 is: 31,206,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,335,989.80 : 31,206,612.80 = 22,335,989.80 : x
  2. Step 2: Convert to fraction form
    22,335,989.80/31,206,612.80 = 22,335,989.80/x
  3. Step 3: Cross multiply
    22,335,989.80x = 31,206,612.80 × 22,335,989.80
  4. Step 4: Simplify right side
    22,335,989.80x = 697,030,585,193,349.50
  5. Step 5: Solve for x
    x = 697,030,585,193,349.50/22,335,989.80
  6. Step 6: Final answer
    x = 31,206,612.80

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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.