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Finding the Fourth Proportional to 63,021.63, 94,434 and 53,623

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Solution

The fourth proportional to 63,021.63, 94,434 and 53,623 is: 80,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,021.63 : 94,434 = 53,623 : x
  2. Step 2: Convert to fraction form
    63,021.63/94,434 = 53,623/x
  3. Step 3: Cross multiply
    63,021.63x = 94,434 × 53,623
  4. Step 4: Simplify right side
    63,021.63x = 5,063,834,382
  5. Step 5: Solve for x
    x = 5,063,834,382/63,021.63
  6. Step 6: Final answer
    x = 80,350.74

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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.