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Finding the Fourth Proportional to 2,925,200.20, 4,379,927.10 and 2,925,200.20

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Solution

The fourth proportional to 2,925,200.20, 4,379,927.10 and 2,925,200.20 is: 4,379,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925,200.20 : 4,379,927.10 = 2,925,200.20 : x
  2. Step 2: Convert to fraction form
    2,925,200.20/4,379,927.10 = 2,925,200.20/x
  3. Step 3: Cross multiply
    2,925,200.20x = 4,379,927.10 × 2,925,200.20
  4. Step 4: Simplify right side
    2,925,200.20x = 12,812,163,628,905.42
  5. Step 5: Solve for x
    x = 12,812,163,628,905.42/2,925,200.20
  6. Step 6: Final answer
    x = 4,379,927.10

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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.