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Finding the Fourth Proportional to 16,780,510.20, 23,556,487.20 and 16,780,510.20

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Solution

The fourth proportional to 16,780,510.20, 23,556,487.20 and 16,780,510.20 is: 23,556,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780,510.20 : 23,556,487.20 = 16,780,510.20 : x
  2. Step 2: Convert to fraction form
    16,780,510.20/23,556,487.20 = 16,780,510.20/x
  3. Step 3: Cross multiply
    16,780,510.20x = 23,556,487.20 × 16,780,510.20
  4. Step 4: Simplify right side
    16,780,510.20x = 395,289,873,735,769.44
  5. Step 5: Solve for x
    x = 395,289,873,735,769.44/16,780,510.20
  6. Step 6: Final answer
    x = 23,556,487.20

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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.