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Finding the Fourth Proportional to 35,685.69, 53,486.01 and 14,624.88

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Solution

The fourth proportional to 35,685.69, 53,486.01 and 14,624.88 is: 21,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,685.69 : 53,486.01 = 14,624.88 : x
  2. Step 2: Convert to fraction form
    35,685.69/53,486.01 = 14,624.88/x
  3. Step 3: Cross multiply
    35,685.69x = 53,486.01 × 14,624.88
  4. Step 4: Simplify right side
    35,685.69x = 782,226,477.93
  5. Step 5: Solve for x
    x = 782,226,477.93/35,685.69
  6. Step 6: Final answer
    x = 21,919.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.