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Finding the Fourth Proportional to 61,323.77, 91,985.45 and 16,950.21

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Solution

The fourth proportional to 61,323.77, 91,985.45 and 16,950.21 is: 25,425.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,323.77 : 91,985.45 = 16,950.21 : x
  2. Step 2: Convert to fraction form
    61,323.77/91,985.45 = 16,950.21/x
  3. Step 3: Cross multiply
    61,323.77x = 91,985.45 × 16,950.21
  4. Step 4: Simplify right side
    61,323.77x = 1,559,172,609.69
  5. Step 5: Solve for x
    x = 1,559,172,609.69/61,323.77
  6. Step 6: Final answer
    x = 25,425.26

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1.5x scale

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.