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Finding the Fourth Proportional to 61,341.96, 92,012.91 and 19,788.96

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Solution

The fourth proportional to 61,341.96, 92,012.91 and 19,788.96 is: 29,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,341.96 : 92,012.91 = 19,788.96 : x
  2. Step 2: Convert to fraction form
    61,341.96/92,012.91 = 19,788.96/x
  3. Step 3: Cross multiply
    61,341.96x = 92,012.91 × 19,788.96
  4. Step 4: Simplify right side
    61,341.96x = 1,820,839,795.47
  5. Step 5: Solve for x
    x = 1,820,839,795.47/61,341.96
  6. Step 6: Final answer
    x = 29,683.43

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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.