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Finding the Fourth Proportional to 36,692,461.80, 55,038,692.70 and 34,424,980.20

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Solution

The fourth proportional to 36,692,461.80, 55,038,692.70 and 34,424,980.20 is: 51,637,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,692,461.80 : 55,038,692.70 = 34,424,980.20 : x
  2. Step 2: Convert to fraction form
    36,692,461.80/55,038,692.70 = 34,424,980.20/x
  3. Step 3: Cross multiply
    36,692,461.80x = 55,038,692.70 × 34,424,980.20
  4. Step 4: Simplify right side
    36,692,461.80x = 1,894,705,906,431,384.75
  5. Step 5: Solve for x
    x = 1,894,705,906,431,384.75/36,692,461.80
  6. Step 6: Final answer
    x = 51,637,470.30

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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.