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Finding the Fourth Proportional to 40,802,895.20, 57,199,636 and 40,802,895.20

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Solution

The fourth proportional to 40,802,895.20, 57,199,636 and 40,802,895.20 is: 57,199,636

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,802,895.20 : 57,199,636 = 40,802,895.20 : x
  2. Step 2: Convert to fraction form
    40,802,895.20/57,199,636 = 40,802,895.20/x
  3. Step 3: Cross multiply
    40,802,895.20x = 57,199,636 × 40,802,895.20
  4. Step 4: Simplify right side
    40,802,895.20x = 2,333,910,753,186,147.50
  5. Step 5: Solve for x
    x = 2,333,910,753,186,147.50/40,802,895.20
  6. Step 6: Final answer
    x = 57,199,636

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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.