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Finding the Fourth Proportional to 61,210.82, 91,801.10 and 16,835.42

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Solution

The fourth proportional to 61,210.82, 91,801.10 and 16,835.42 is: 25,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,210.82 : 91,801.10 = 16,835.42 : x
  2. Step 2: Convert to fraction form
    61,210.82/91,801.10 = 16,835.42/x
  3. Step 3: Cross multiply
    61,210.82x = 91,801.10 × 16,835.42
  4. Step 4: Simplify right side
    61,210.82x = 1,545,510,074.96
  5. Step 5: Solve for x
    x = 1,545,510,074.96/61,210.82
  6. Step 6: Final answer
    x = 25,248.97

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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.