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Finding the Fourth Proportional to 7,000,600.80, 10,499,605.20 and 1,950,866.40

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Solution

The fourth proportional to 7,000,600.80, 10,499,605.20 and 1,950,866.40 is: 2,925,938.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,600.80 : 10,499,605.20 = 1,950,866.40 : x
  2. Step 2: Convert to fraction form
    7,000,600.80/10,499,605.20 = 1,950,866.40/x
  3. Step 3: Cross multiply
    7,000,600.80x = 10,499,605.20 × 1,950,866.40
  4. Step 4: Simplify right side
    7,000,600.80x = 20,483,326,997,945.28
  5. Step 5: Solve for x
    x = 20,483,326,997,945.28/7,000,600.80
  6. Step 6: Final answer
    x = 2,925,938.44

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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.