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Finding the Fourth Proportional to 17,620,688.40, 24,725,650.80 and 17,620,688.40

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Solution

The fourth proportional to 17,620,688.40, 24,725,650.80 and 17,620,688.40 is: 24,725,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620,688.40 : 24,725,650.80 = 17,620,688.40 : x
  2. Step 2: Convert to fraction form
    17,620,688.40/24,725,650.80 = 17,620,688.40/x
  3. Step 3: Cross multiply
    17,620,688.40x = 24,725,650.80 × 17,620,688.40
  4. Step 4: Simplify right side
    17,620,688.40x = 435,682,988,234,010.69
  5. Step 5: Solve for x
    x = 435,682,988,234,010.69/17,620,688.40
  6. Step 6: Final answer
    x = 24,725,650.80

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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.