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Finding the Fourth Proportional to 22,892,337.90, 34,338,506.85 and 19,809,980.10

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Solution

The fourth proportional to 22,892,337.90, 34,338,506.85 and 19,809,980.10 is: 29,714,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,892,337.90 : 34,338,506.85 = 19,809,980.10 : x
  2. Step 2: Convert to fraction form
    22,892,337.90/34,338,506.85 = 19,809,980.10/x
  3. Step 3: Cross multiply
    22,892,337.90x = 34,338,506.85 × 19,809,980.10
  4. Step 4: Simplify right side
    22,892,337.90x = 680,245,137,362,213.75
  5. Step 5: Solve for x
    x = 680,245,137,362,213.75/22,892,337.90
  6. Step 6: Final answer
    x = 29,714,970.15

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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.