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Finding the Fourth Proportional to 8,964,000.80, 13,444,251.60 and 2,980,368.80

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Solution

The fourth proportional to 8,964,000.80, 13,444,251.60 and 2,980,368.80 is: 4,469,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964,000.80 : 13,444,251.60 = 2,980,368.80 : x
  2. Step 2: Convert to fraction form
    8,964,000.80/13,444,251.60 = 2,980,368.80/x
  3. Step 3: Cross multiply
    8,964,000.80x = 13,444,251.60 × 2,980,368.80
  4. Step 4: Simplify right side
    8,964,000.80x = 40,068,828,007,990.08
  5. Step 5: Solve for x
    x = 40,068,828,007,990.08/8,964,000.80
  6. Step 6: Final answer
    x = 4,469,971.49

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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.