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Finding the Fourth Proportional to 61,513.62, 84,888.80 and 33,219.30

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Solution

The fourth proportional to 61,513.62, 84,888.80 and 33,219.30 is: 45,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,513.62 : 84,888.80 = 33,219.30 : x
  2. Step 2: Convert to fraction form
    61,513.62/84,888.80 = 33,219.30/x
  3. Step 3: Cross multiply
    61,513.62x = 84,888.80 × 33,219.30
  4. Step 4: Simplify right side
    61,513.62x = 2,819,946,347.74
  5. Step 5: Solve for x
    x = 2,819,946,347.74/61,513.62
  6. Step 6: Final answer
    x = 45,842.63

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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.