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Finding the Fourth Proportional to 11,958,649.03, 16,502,931.25 and 6,526,141.03

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Solution

The fourth proportional to 11,958,649.03, 16,502,931.25 and 6,526,141.03 is: 9,006,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958,649.03 : 16,502,931.25 = 6,526,141.03 : x
  2. Step 2: Convert to fraction form
    11,958,649.03/16,502,931.25 = 6,526,141.03/x
  3. Step 3: Cross multiply
    11,958,649.03x = 16,502,931.25 × 6,526,141.03
  4. Step 4: Simplify right side
    11,958,649.03x = 107,700,456,745,894.19
  5. Step 5: Solve for x
    x = 107,700,456,745,894.19/11,958,649.03
  6. Step 6: Final answer
    x = 9,006,072.21

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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.