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Finding the Fourth Proportional to 6,594,644.60, 9,891,966.90 and 5,460,903.80

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Solution

The fourth proportional to 6,594,644.60, 9,891,966.90 and 5,460,903.80 is: 8,191,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,594,644.60 : 9,891,966.90 = 5,460,903.80 : x
  2. Step 2: Convert to fraction form
    6,594,644.60/9,891,966.90 = 5,460,903.80/x
  3. Step 3: Cross multiply
    6,594,644.60x = 9,891,966.90 × 5,460,903.80
  4. Step 4: Simplify right side
    6,594,644.60x = 54,019,079,633,684.22
  5. Step 5: Solve for x
    x = 54,019,079,633,684.22/6,594,644.60
  6. Step 6: Final answer
    x = 8,191,355.70

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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.