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Finding the Fourth Proportional to 7,045,807.23, 9,723,453.33 and 6,722,956.82

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Solution

The fourth proportional to 7,045,807.23, 9,723,453.33 and 6,722,956.82 is: 9,277,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045,807.23 : 9,723,453.33 = 6,722,956.82 : x
  2. Step 2: Convert to fraction form
    7,045,807.23/9,723,453.33 = 6,722,956.82/x
  3. Step 3: Cross multiply
    7,045,807.23x = 9,723,453.33 × 6,722,956.82
  4. Step 4: Simplify right side
    7,045,807.23x = 65,370,356,878,875.21
  5. Step 5: Solve for x
    x = 65,370,356,878,875.21/7,045,807.23
  6. Step 6: Final answer
    x = 9,277,908.80

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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.