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Finding the Fourth Proportional to 64,683,874.80, 97,025,812.20 and 32,340,769.20

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Solution

The fourth proportional to 64,683,874.80, 97,025,812.20 and 32,340,769.20 is: 48,511,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,683,874.80 : 97,025,812.20 = 32,340,769.20 : x
  2. Step 2: Convert to fraction form
    64,683,874.80/97,025,812.20 = 32,340,769.20/x
  3. Step 3: Cross multiply
    64,683,874.80x = 97,025,812.20 × 32,340,769.20
  4. Step 4: Simplify right side
    64,683,874.80x = 3,137,889,398,802,744.50
  5. Step 5: Solve for x
    x = 3,137,889,398,802,744.50/64,683,874.80
  6. Step 6: Final answer
    x = 48,511,153.80

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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.