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Finding the Fourth Proportional to 22,144,424.40, 33,216,636.60 and 20,124,948.60

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Solution

The fourth proportional to 22,144,424.40, 33,216,636.60 and 20,124,948.60 is: 30,187,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144,424.40 : 33,216,636.60 = 20,124,948.60 : x
  2. Step 2: Convert to fraction form
    22,144,424.40/33,216,636.60 = 20,124,948.60/x
  3. Step 3: Cross multiply
    22,144,424.40x = 33,216,636.60 × 20,124,948.60
  4. Step 4: Simplify right side
    22,144,424.40x = 668,483,104,239,878.88
  5. Step 5: Solve for x
    x = 668,483,104,239,878.88/22,144,424.40
  6. Step 6: Final answer
    x = 30,187,422.90

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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.