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Finding the Fourth Proportional to 5,827,998.80, 8,741,998.20 and 5,576,056.40

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Solution

The fourth proportional to 5,827,998.80, 8,741,998.20 and 5,576,056.40 is: 8,364,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827,998.80 : 8,741,998.20 = 5,576,056.40 : x
  2. Step 2: Convert to fraction form
    5,827,998.80/8,741,998.20 = 5,576,056.40/x
  3. Step 3: Cross multiply
    5,827,998.80x = 8,741,998.20 × 5,576,056.40
  4. Step 4: Simplify right side
    5,827,998.80x = 48,745,875,011,898.48
  5. Step 5: Solve for x
    x = 48,745,875,011,898.48/5,827,998.80
  6. Step 6: Final answer
    x = 8,364,084.60

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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.