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Finding the Fourth Proportional to 13,784,946.30, 20,677,419.45 and 13,784,946.30

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Solution

The fourth proportional to 13,784,946.30, 20,677,419.45 and 13,784,946.30 is: 20,677,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784,946.30 : 20,677,419.45 = 13,784,946.30 : x
  2. Step 2: Convert to fraction form
    13,784,946.30/20,677,419.45 = 13,784,946.30/x
  3. Step 3: Cross multiply
    13,784,946.30x = 20,677,419.45 × 13,784,946.30
  4. Step 4: Simplify right side
    13,784,946.30x = 285,037,116,740,825.56
  5. Step 5: Solve for x
    x = 285,037,116,740,825.56/13,784,946.30
  6. Step 6: Final answer
    x = 20,677,419.45

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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.