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Finding the Fourth Proportional to 7,992,000.10, 11,988,000.15 and 3,504,276.10

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Solution

The fourth proportional to 7,992,000.10, 11,988,000.15 and 3,504,276.10 is: 5,256,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992,000.10 : 11,988,000.15 = 3,504,276.10 : x
  2. Step 2: Convert to fraction form
    7,992,000.10/11,988,000.15 = 3,504,276.10/x
  3. Step 3: Cross multiply
    7,992,000.10x = 11,988,000.15 × 3,504,276.10
  4. Step 4: Simplify right side
    7,992,000.10x = 42,009,262,412,441.41
  5. Step 5: Solve for x
    x = 42,009,262,412,441.41/7,992,000.10
  6. Step 6: Final answer
    x = 5,256,414.15

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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.