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Finding the Fourth Proportional to 22,669,643.60, 34,004,465.40 and 22,457,067.20

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Solution

The fourth proportional to 22,669,643.60, 34,004,465.40 and 22,457,067.20 is: 33,685,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,669,643.60 : 34,004,465.40 = 22,457,067.20 : x
  2. Step 2: Convert to fraction form
    22,669,643.60/34,004,465.40 = 22,457,067.20/x
  3. Step 3: Cross multiply
    22,669,643.60x = 34,004,465.40 × 22,457,067.20
  4. Step 4: Simplify right side
    22,669,643.60x = 763,640,564,587,874.88
  5. Step 5: Solve for x
    x = 763,640,564,587,874.88/22,669,643.60
  6. Step 6: Final answer
    x = 33,685,600.80

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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.