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Finding the Fourth Proportional to 61,019.26, 91,530.50 and 19,466.26

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Solution

The fourth proportional to 61,019.26, 91,530.50 and 19,466.26 is: 29,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,019.26 : 91,530.50 = 19,466.26 : x
  2. Step 2: Convert to fraction form
    61,019.26/91,530.50 = 19,466.26/x
  3. Step 3: Cross multiply
    61,019.26x = 91,530.50 × 19,466.26
  4. Step 4: Simplify right side
    61,019.26x = 1,781,756,510.93
  5. Step 5: Solve for x
    x = 1,781,756,510.93/61,019.26
  6. Step 6: Final answer
    x = 29,199.90

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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.