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Finding the Fourth Proportional to 22,023,999.60, 33,035,999.40 and 20,606,823.60

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Solution

The fourth proportional to 22,023,999.60, 33,035,999.40 and 20,606,823.60 is: 30,910,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,023,999.60 : 33,035,999.40 = 20,606,823.60 : x
  2. Step 2: Convert to fraction form
    22,023,999.60/33,035,999.40 = 20,606,823.60/x
  3. Step 3: Cross multiply
    22,023,999.60x = 33,035,999.40 × 20,606,823.60
  4. Step 4: Simplify right side
    22,023,999.60x = 680,767,012,085,505.88
  5. Step 5: Solve for x
    x = 680,767,012,085,505.88/22,023,999.60
  6. Step 6: Final answer
    x = 30,910,235.40

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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.