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Finding the Fourth Proportional to 7,019,735.04, 9,686,633.13 and 4,039,534.98

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Solution

The fourth proportional to 7,019,735.04, 9,686,633.13 and 4,039,534.98 is: 5,574,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,735.04 : 9,686,633.13 = 4,039,534.98 : x
  2. Step 2: Convert to fraction form
    7,019,735.04/9,686,633.13 = 4,039,534.98/x
  3. Step 3: Cross multiply
    7,019,735.04x = 9,686,633.13 × 4,039,534.98
  4. Step 4: Simplify right side
    7,019,735.04x = 39,129,493,367,061.89
  5. Step 5: Solve for x
    x = 39,129,493,367,061.89/7,019,735.04
  6. Step 6: Final answer
    x = 5,574,212.29

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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.