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Finding the Fourth Proportional to 46,855.63, 70,293.81 and 21,882.07

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Solution

The fourth proportional to 46,855.63, 70,293.81 and 21,882.07 is: 32,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,855.63 : 70,293.81 = 21,882.07 : x
  2. Step 2: Convert to fraction form
    46,855.63/70,293.81 = 21,882.07/x
  3. Step 3: Cross multiply
    46,855.63x = 70,293.81 × 21,882.07
  4. Step 4: Simplify right side
    46,855.63x = 1,538,174,070.99
  5. Step 5: Solve for x
    x = 1,538,174,070.99/46,855.63
  6. Step 6: Final answer
    x = 32,827.95

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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.