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Finding the Fourth Proportional to 18,443,996.40, 27,616,228.20 and 18,443,996.40

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Solution

The fourth proportional to 18,443,996.40, 27,616,228.20 and 18,443,996.40 is: 27,616,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,996.40 : 27,616,228.20 = 18,443,996.40 : x
  2. Step 2: Convert to fraction form
    18,443,996.40/27,616,228.20 = 18,443,996.40/x
  3. Step 3: Cross multiply
    18,443,996.40x = 27,616,228.20 × 18,443,996.40
  4. Step 4: Simplify right side
    18,443,996.40x = 509,353,613,502,378.44
  5. Step 5: Solve for x
    x = 509,353,613,502,378.44/18,443,996.40
  6. Step 6: Final answer
    x = 27,616,228.20

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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.