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Finding the Fourth Proportional to 21,550,601.70, 30,246,425.10 and 21,550,601.70

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Solution

The fourth proportional to 21,550,601.70, 30,246,425.10 and 21,550,601.70 is: 30,246,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550,601.70 : 30,246,425.10 = 21,550,601.70 : x
  2. Step 2: Convert to fraction form
    21,550,601.70/30,246,425.10 = 21,550,601.70/x
  3. Step 3: Cross multiply
    21,550,601.70x = 30,246,425.10 × 21,550,601.70
  4. Step 4: Simplify right side
    21,550,601.70x = 651,828,660,178,982.62
  5. Step 5: Solve for x
    x = 651,828,660,178,982.62/21,550,601.70
  6. Step 6: Final answer
    x = 30,246,425.10

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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.