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Finding the Fourth Proportional to 22,288,500.30, 31,140,127.50 and 22,288,500.30

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Solution

The fourth proportional to 22,288,500.30, 31,140,127.50 and 22,288,500.30 is: 31,140,127.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288,500.30 : 31,140,127.50 = 22,288,500.30 : x
  2. Step 2: Convert to fraction form
    22,288,500.30/31,140,127.50 = 22,288,500.30/x
  3. Step 3: Cross multiply
    22,288,500.30x = 31,140,127.50 × 22,288,500.30
  4. Step 4: Simplify right side
    22,288,500.30x = 694,066,741,125,788.25
  5. Step 5: Solve for x
    x = 694,066,741,125,788.25/22,288,500.30
  6. Step 6: Final answer
    x = 31,140,127.50

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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.