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Finding the Fourth Proportional to 29,807,998.80, 44,711,998.20 and 9,339,428.40

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Solution

The fourth proportional to 29,807,998.80, 44,711,998.20 and 9,339,428.40 is: 14,009,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,807,998.80 : 44,711,998.20 = 9,339,428.40 : x
  2. Step 2: Convert to fraction form
    29,807,998.80/44,711,998.20 = 9,339,428.40/x
  3. Step 3: Cross multiply
    29,807,998.80x = 44,711,998.20 × 9,339,428.40
  4. Step 4: Simplify right side
    29,807,998.80x = 417,584,505,809,828.94
  5. Step 5: Solve for x
    x = 417,584,505,809,828.94/29,807,998.80
  6. Step 6: Final answer
    x = 14,009,142.60

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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.