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Finding the Fourth Proportional to 6,598,892.70, 9,898,339.05 and 6,120,595.80

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Solution

The fourth proportional to 6,598,892.70, 9,898,339.05 and 6,120,595.80 is: 9,180,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,598,892.70 : 9,898,339.05 = 6,120,595.80 : x
  2. Step 2: Convert to fraction form
    6,598,892.70/9,898,339.05 = 6,120,595.80/x
  3. Step 3: Cross multiply
    6,598,892.70x = 9,898,339.05 × 6,120,595.80
  4. Step 4: Simplify right side
    6,598,892.70x = 60,583,732,416,405.99
  5. Step 5: Solve for x
    x = 60,583,732,416,405.99/6,598,892.70
  6. Step 6: Final answer
    x = 9,180,893.70

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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.