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Finding the Fourth Proportional to 61,051.50, 84,253.77 and 34,193.43

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Solution

The fourth proportional to 61,051.50, 84,253.77 and 34,193.43 is: 47,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,051.50 : 84,253.77 = 34,193.43 : x
  2. Step 2: Convert to fraction form
    61,051.50/84,253.77 = 34,193.43/x
  3. Step 3: Cross multiply
    61,051.50x = 84,253.77 × 34,193.43
  4. Step 4: Simplify right side
    61,051.50x = 2,880,925,386.73
  5. Step 5: Solve for x
    x = 2,880,925,386.73/61,051.50
  6. Step 6: Final answer
    x = 47,188.45

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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.