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Finding the Fourth Proportional to 10,483,974.80, 14,472,349.04 and 7,048,208.68

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Solution

The fourth proportional to 10,483,974.80, 14,472,349.04 and 7,048,208.68 is: 9,729,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,483,974.80 : 14,472,349.04 = 7,048,208.68 : x
  2. Step 2: Convert to fraction form
    10,483,974.80/14,472,349.04 = 7,048,208.68/x
  3. Step 3: Cross multiply
    10,483,974.80x = 14,472,349.04 × 7,048,208.68
  4. Step 4: Simplify right side
    10,483,974.80x = 102,004,136,123,717.66
  5. Step 5: Solve for x
    x = 102,004,136,123,717.66/10,483,974.80
  6. Step 6: Final answer
    x = 9,729,528.93

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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.