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Finding the Fourth Proportional to 5,406,739.92, 7,449,064.92 and 4,438,337.04

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Solution

The fourth proportional to 5,406,739.92, 7,449,064.92 and 4,438,337.04 is: 6,114,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406,739.92 : 7,449,064.92 = 4,438,337.04 : x
  2. Step 2: Convert to fraction form
    5,406,739.92/7,449,064.92 = 4,438,337.04/x
  3. Step 3: Cross multiply
    5,406,739.92x = 7,449,064.92 × 4,438,337.04
  4. Step 4: Simplify right side
    5,406,739.92x = 33,061,460,747,800.64
  5. Step 5: Solve for x
    x = 33,061,460,747,800.64/5,406,739.92
  6. Step 6: Final answer
    x = 6,114,860.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.