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Finding the Fourth Proportional to 61,197.91, 84,506.97 and 38,267.03

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Solution

The fourth proportional to 61,197.91, 84,506.97 and 38,267.03 is: 52,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,197.91 : 84,506.97 = 38,267.03 : x
  2. Step 2: Convert to fraction form
    61,197.91/84,506.97 = 38,267.03/x
  3. Step 3: Cross multiply
    61,197.91x = 84,506.97 × 38,267.03
  4. Step 4: Simplify right side
    61,197.91x = 3,233,830,756.20
  5. Step 5: Solve for x
    x = 3,233,830,756.20/61,197.91
  6. Step 6: Final answer
    x = 52,842.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.